| ARRIVED 41 HOUR 18 MINUTES AGO |
 |  |
Departure (UA1851 Flight Schedule)
PDT 00:00:00 DAY
Arrival (UA1851 Flight Schedule)
San Francisco Intl (SFO/KSFO)
San Francisco, United States
12:07 PDT
Mon 18-May-2026
| LATE 1 hour 27 min |
PDT 00:00:00 DAY
Flight Radar Checker UA 1851
Live Flight Tracker Map
Flight UA1851 from Ontario to San Francisco is operated by United Airlines. Scheduled time of departure from Ontario Intl is 10:37 PDT and scheduled time of arrival in San Francisco Intl is 12:07 PDT. The duration of the flight is 1 hour 30 minutes.
Flight Finder
from San Francisco to Ontario
| Flight | Departure | Arrival |
|---|---|---|
| UA1316 09:41 |
San Francisco Intl (SFO) |
Ontario Intl (ONT) |
| UA2661 12:22 |
San Francisco Intl (SFO) |
Ontario Intl (ONT) |
| UA1561 17:52 |
San Francisco Intl (SFO) |
Ontario Intl (ONT) |
| UA5575 18:22 |
San Francisco Intl (SFO) |
Ontario Intl (ONT) |
| WCC49 18:22 |
San Francisco Intl (SFO) |
Ontario Intl (ONT) |
| F92678 19:24 |
San Francisco Intl (SFO) |
Ontario Intl (ONT) |
| UA552 22:59 |
San Francisco Intl (SFO) |
Ontario Intl (ONT) |
History Flight Information for UA1851 from Flight Scanner System
| Date | Flight | Departure Airport | Arrival Airport | Scheduled | Plane | Estimated | ||
|---|---|---|---|---|---|---|---|---|
| Departure | Arrival | Departure | Arrival | |||||
| Wed, 20 May | UA1851 | San Francisco Intl (SFO) | Tucson Intl (TUS) | 20:45 PDT | 23:09 MST | |||
| Mon, 18 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N803UA (Airbus A319) | 12:28 PDT | 13:34 PDT |
| Sun, 17 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N481UA (Airbus A320) | 12:03 PDT | 13:04 PDT |
| Sat, 16 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:43 PDT | 12:12 PDT | N78524 (Boeing B738) | 12:07 PDT | 13:06 PDT |
| Fri, 15 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N487UA (Airbus A320) | 10:52 PDT | 11:59 PDT |
| Thu, 14 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N481UA (Airbus A320) | 10:52 PDT | 11:48 PDT |
| Mon, 11 May | UA1851 | San Francisco Intl (SFO) | Chicago Ohare Intl (ORD) | 14:40 PDT | 21:03 CDT | N30913 (Boeing B788) | 14:36 PDT | 20:23 CDT |
| Mon, 11 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N466UA (Airbus A320) | 11:59 PDT | 12:56 PDT |
| Sun, 10 May | UA1851 | San Francisco Intl (SFO) | Chicago Ohare Intl (ORD) | 14:40 PDT | 21:03 CDT | N30913 (Boeing B788) | 15:00 PDT | 20:22 CDT |
| Sun, 10 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N475UA (Airbus A320) | 12:02 PDT | 13:13 PDT |
| Sat, 09 May | UA1851 | San Francisco Intl (SFO) | Chicago Ohare Intl (ORD) | 14:40 PDT | 21:03 CDT | 14:47 PDT | 20:35 CDT | |
| Sat, 09 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:43 PDT | 12:12 PDT | N77535 (Boeing B738) | 10:42 PDT | 11:48 PDT |
| Fri, 08 May | UA1851 | San Francisco Intl (SFO) | Chicago Ohare Intl (ORD) | 14:40 PDT | 21:03 CDT | N30913 (Boeing B788) | 17:39 PDT | 20:37 CDT |
| Fri, 08 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N458UA (Airbus A320) | 11:52 PDT | 12:49 PDT |
| Thu, 07 May | UA1851 | San Francisco Intl (SFO) | Chicago Ohare Intl (ORD) | 14:40 PDT | 21:03 CDT | N20904 (Boeing B788) | 15:14 PDT | 21:05 CDT |
| Thu, 07 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N438UA (Airbus A320) | 10:56 PDT | 11:51 PDT |
| Mon, 04 May | UA1851 | San Francisco Intl (SFO) | Chicago Ohare Intl (ORD) | 14:40 PDT | 21:03 CDT | 15:26 PDT | 21:25 CDT | |
| Mon, 04 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:47 PDT | 12:16 PDT | 12:14 PDT | 13:35 PDT | |
| Sun, 03 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N453UA (Airbus A320) | 11:53 PDT | 13:26 PDT |
| Sat, 02 May | UA1851 | San Francisco Intl (SFO) | Chicago Ohare Intl (ORD) | 14:40 PDT | 21:03 CDT | 14:49 PDT | 20:36 CDT | |
| Sat, 02 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:43 PDT | 12:12 PDT | N76532 (Boeing B738) | 10:41 PDT | 12:00 PDT |
| Fri, 01 May | UA1851 | San Francisco Intl (SFO) | Chicago Ohare Intl (ORD) | 14:40 PDT | 21:03 CDT | N20904 (Boeing B788) | 15:43 PDT | 22:39 CDT |
| Fri, 01 May | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:37 PDT | 12:07 PDT | N430UA (Airbus A320) | 11:01 PDT | 12:35 PDT |
| Thu, 30 Apr | UA1851 | Ontario Intl (ONT) | San Francisco Intl (SFO) | 10:45 PDT | 12:14 PDT | N61898 (Boeing B739) | 11:16 PDT | 12:46 PDT |
| Sun, 19 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N37274 (Boeing B738) | 09:18 CDT | 11:26 PDT |
| Sat, 18 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N77520 (Boeing B738) | 09:43 CDT | 11:39 PDT |
| Thu, 16 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N76519 (Boeing B738) | 09:30 CDT | 11:25 PDT |
| Wed, 15 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N78524 (Boeing B738) | 09:12 CDT | 11:25 PDT |
| Tue, 14 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N73251 (Boeing B738) | 11:30 CDT | 13:30 PDT |
| Mon, 13 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N13248 (Boeing B738) | 10:30 CDT | 12:23 PDT |
| Sun, 12 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N76528 (Boeing B738) | 09:16 CDT | 11:19 PDT |
| Sat, 11 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N37253 (Boeing B738) | 09:10 CDT | 11:13 PDT |
| Fri, 10 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N77535 (Boeing B738) | 09:36 CDT | 11:46 PDT |
| Wed, 08 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N24224 (Boeing B738) | 09:15 CDT | 11:28 PDT |
| Tue, 07 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N36272 (Boeing B738) | 09:16 CDT | 11:39 PDT |
| Mon, 06 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N17229 (Boeing B738) | 09:40 CDT | 11:53 PDT |
| Sun, 05 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N33284 (Boeing B738) | 09:07 CDT | 11:18 PDT |
| Sat, 04 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N33209 (Boeing B738) | 09:22 CDT | 11:21 PDT |
| Fri, 03 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N17244 (Boeing B738) | 08:55 CDT | 10:53 PDT |
| Thu, 02 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | 09:51 CDT | 11:34 PDT | |
| Wed, 01 Apr | UA1851 | Chicago Ohare Intl (ORD) | Vancouver Intl (YVR) | 08:50 CDT | 11:33 PDT | N33284 (Boeing B738) | 10:03 CDT | 12:09 PDT |
Disclaimer for UA1851 Flight Radar Data
Flight UA1851 from Ontario Intl to San Francisco 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 UA1851 data.
