| ARRIVED 10 HOUR 47 MINUTES AGO |
 |  |
Departure (UA1665 Flight Schedule)
San Francisco Intl (SFO/KSFO)
San Francisco, United States
23:35 PDT
Tue 17-Mar-2026
| EARLY 1 hour 7 min |
PDT 00:00:00 DAY
Arrival (UA1665 Flight Schedule)
EDT 00:00:00 DAY
Flight Radar Checker UA 1665
Live Flight Tracker Map
Flight UA1665 from San Francisco to Boston is operated by United Airlines. Scheduled time of departure from San Francisco Intl is 23:35 PDT and scheduled time of arrival in Boston Logan Intl is 08:13 EDT. The duration of the flight is 5 hours 38 minutes.
Flight Finder
from Boston to San Francisco
| Flight | Departure | Arrival |
|---|---|---|
| B6733 00:31 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| UA2441 09:58 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| B6133 11:10 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| DL977 11:47 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| UA1458 11:53 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| UA1008 12:00 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| B62233 14:15 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| UA2279 14:52 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| UA1074 14:52 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| UA1367 17:42 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| EJA842 19:06 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| B6333 20:29 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| DL1655 21:35 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
| UA2400 21:50 |
Boston Logan Intl (BOS) |
San Francisco Intl (SFO) |
History Flight Information for UA1665 from Flight Scanner System
| Date | Flight | Departure Airport | Arrival Airport | Scheduled | Plane | Estimated | ||
|---|---|---|---|---|---|---|---|---|
| Departure | Arrival | Departure | Arrival | |||||
| Wed, 18 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | |||
| Wed, 18 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | |||
| Tue, 17 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | N14121 (Boeing B752) | 23:28 PDT | 07:47 EDT |
| Tue, 17 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | N889UA (Airbus A319) | 18:36 PDT | 19:27 PDT |
| Mon, 16 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | N19117 (Boeing B752) | 23:29 PDT | 08:23 EDT |
| Mon, 16 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | N471UA (Airbus A320) | 18:57 PDT | 19:49 PDT |
| Sun, 15 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | N33103 (Boeing B752) | 01:31 PDT | 09:40 EDT |
| Sun, 15 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | N470UA (Airbus A320) | 18:48 PDT | 19:45 PDT |
| Sat, 14 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | N29124 (Boeing B752) | 23:35 PDT | 07:54 EDT |
| Sat, 14 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | N495UA (Airbus A320) | 18:57 PDT | 19:57 PDT |
| Fri, 13 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | N48127 (Boeing B752) | 23:44 PDT | 07:28 EDT |
| Fri, 13 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | N491UA (Airbus A320) | 18:45 PDT | 19:48 PDT |
| Thu, 12 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | N14121 (Boeing B752) | 23:50 PDT | 07:52 EDT |
| Thu, 12 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | N448UA (Airbus A320) | 19:09 PDT | 20:04 PDT |
| Wed, 11 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | N19117 (Boeing B752) | 23:45 PDT | 08:03 EDT |
| Wed, 11 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | N487UA (Airbus A320) | 18:40 PDT | 19:37 PDT |
| Tue, 10 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | 00:36 PDT | 08:36 EDT | |
| Tue, 10 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | N892UA (Airbus A319) | 18:38 PDT | 19:33 PDT |
| Mon, 09 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | N17126 (Boeing B752) | 23:46 PDT | 07:58 EDT |
| Mon, 09 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PDT | 20:10 PDT | N76515 (Boeing B738) | 18:46 PDT | 19:45 PDT |
| Sun, 08 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:35 PDT | 08:13 EDT | |||
| Sun, 08 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 22:35 PDT | 07:13 EDT | N17122 (Boeing B752) | 23:34 PDT | 07:26 EDT |
| Sun, 08 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 17:37 PDT | 19:10 PDT | N436UA (Airbus A320) | 18:05 PDT | 19:45 PDT |
| Sat, 07 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 21:00 PST | 05:38 EDT | N12114 (Boeing B752) | 00:53 PST | 06:18 EDT |
| Sat, 07 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PST | 20:10 PST | N12114 (Boeing B752) | 20:05 PST | 23:47 PST |
| Fri, 06 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N29129 (Boeing B752) | 00:51 PST | 09:20 EST |
| Fri, 06 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PST | 20:10 PST | N487UA (Airbus A320) | 21:32 PST | 22:28 PST |
| Thu, 05 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N19130 (Boeing B752) | 00:20 PST | 08:57 EST |
| Thu, 05 Mar | UA1665 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 18:37 PST | 20:10 PST | N470UA (Airbus A320) | 20:45 PST | 21:40 PST |
| Wed, 04 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 22:42 PST | 07:17 EST | N29129 (Boeing B752) | 23:56 PST | 08:42 EST |
| Wed, 04 Mar | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:12 EST | 22:03 PST | |
| Tue, 03 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N17105 (Boeing B752) | 00:27 PST | 08:39 EST |
| Mon, 02 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N68834 (Boeing B739) | 00:38 PST | 08:19 EST |
| Mon, 02 Mar | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:34 EST | 22:39 PST | |
| Sun, 01 Mar | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | 00:46 PST | 08:28 EST | |
| Sun, 01 Mar | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:09 EST | 21:57 PST | |
| Fri, 27 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N17122 (Boeing B752) | 00:16 PST | 08:18 EST |
| Fri, 27 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:50 EST | 23:10 PST | |
| Thu, 26 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N41135 (Boeing B752) | 00:24 PST | 08:43 EST |
| Thu, 26 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:25 EST | 22:30 PST | |
| Wed, 25 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | 00:09 PST | 07:42 EST | |
| Wed, 25 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:18 EST | 23:00 PST | |
| Tue, 24 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N14120 (Boeing B752) | 00:25 PST | 08:25 EST |
| Mon, 23 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | |||
| Mon, 23 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:24 EST | 23:08 PST | |
| Sun, 22 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | |||
| Sun, 22 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:46 EST | 22:42 PST | |
| Sat, 21 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | 02:47 PST | 10:43 EST | |
| Sat, 21 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:01 EST | 21:49 PST | 20:23 EST | 22:43 PST | |
| Fri, 20 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | 01:17 PST | 06:13 EST | |
| Fri, 20 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:15 EST | 22:25 PST | |
| Thu, 19 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N33103 (Boeing B752) | 00:18 PST | 08:59 EST |
| Thu, 19 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:19 EST | 22:42 PST | |
| Wed, 18 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N41135 (Boeing B752) | 01:46 PST | 09:35 EST |
| Tue, 17 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N12109 (Boeing B752) | 00:36 PST | 08:34 EST |
| Mon, 16 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N13138 (Boeing B752) | 00:16 PST | 08:22 EST |
| Mon, 16 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:51 EST | 22:45 PST | |
| Sun, 15 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N19141 (Boeing B752) | 03:35 PST | 11:15 EST |
| Sun, 15 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:25 EST | 01:43 PST | |
| Sat, 14 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N14107 (Boeing B752) | 00:17 PST | 08:10 EST |
| Sat, 14 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:01 EST | 21:49 PST | 20:27 EST | 22:32 PST | |
| Fri, 13 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N29124 (Boeing B752) | 00:26 PST | 08:46 EST |
| Fri, 13 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:27 EST | 22:42 PST | |
| Thu, 12 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:20 PST | 07:58 EST | N12109 (Boeing B752) | 00:22 PST | 09:00 EST |
| Thu, 12 Feb | UA1665 | Hartsfield Jackson Atlanta Intl (ATL) | San Francisco Intl (SFO) | 19:02 EST | 21:50 PST | 20:12 EST | 22:19 PST | |
| Wed, 11 Feb | UA1665 | Seattle Tacoma Intl (SEA) | San Francisco Intl (SFO) | 19:23 PST | 21:38 PST | N485UA (Airbus A320) | 22:02 PST | 23:35 PST |
| Mon, 09 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:25 PST | 08:10 EST | N12109 (Boeing B752) | 00:05 PST | 09:29 EST |
| Mon, 09 Feb | UA1665 | Seattle Tacoma Intl (SEA) | San Francisco Intl (SFO) | 19:30 PST | 21:48 PST | 20:38 PST | 22:23 PST | |
| Sun, 08 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:25 PST | 08:10 EST | N18112 (Boeing B752) | 00:45 PST | 08:50 EST |
| Sun, 08 Feb | UA1665 | Seattle Tacoma Intl (SEA) | San Francisco Intl (SFO) | 19:30 PST | 21:48 PST | N76288 (Boeing B738) | 20:39 PST | 22:44 PST |
| Sat, 07 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:25 PST | 08:10 EST | N14107 (Boeing B752) | 00:49 PST | 09:06 EST |
| Fri, 06 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:25 PST | 08:10 EST | N13113 (Boeing B752) | 00:36 PST | 09:10 EST |
| Fri, 06 Feb | UA1665 | Seattle Tacoma Intl (SEA) | San Francisco Intl (SFO) | 19:30 PST | 21:48 PST | N87513 (Boeing B738) | 20:41 PST | 22:26 PST |
| Thu, 05 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:25 PST | 08:10 EST | N13113 (Boeing B752) | 00:19 PST | 08:49 EST |
| Thu, 05 Feb | UA1665 | Seattle Tacoma Intl (SEA) | San Francisco Intl (SFO) | 19:30 PST | 21:48 PST | 20:32 PST | 22:19 PST | |
| Mon, 02 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:25 PST | 08:10 EST | N19141 (Boeing B752) | 23:50 PST | 08:50 EST |
| Mon, 02 Feb | UA1665 | Seattle Tacoma Intl (SEA) | San Francisco Intl (SFO) | 19:30 PST | 21:48 PST | N455UA (Airbus A320) | 20:35 PST | 22:37 PST |
| Sun, 01 Feb | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:25 PST | 08:10 EST | N12116 (Boeing B752) | 00:16 PST | 08:37 EST |
| Sun, 01 Feb | UA1665 | Seattle Tacoma Intl (SEA) | San Francisco Intl (SFO) | 19:30 PST | 21:48 PST | N24212 (Boeing B738) | 20:30 PST | 22:15 PST |
| Sat, 31 Jan | UA1665 | San Francisco Intl (SFO) | Boston Logan Intl (BOS) | 23:25 PST | 08:10 EST | N57862 (Boeing B753) | 00:50 PST | 08:59 EST |
Disclaimer for UA1665 Flight Radar Data
Flight UA1665 from San Francisco Intl to Boston Logan Intl data is collected from different sources. The data is for informational purposes only and PlaneMapper is not responsible for the accuracy and reliability of flight UA1665 data.
