| EXPECTED TO DEPART IN 2 HOUR 4 MINUTES |
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4.5 out of 5 stars / 7 votes
| Date | Flight | Departure Airport | Arrival Airport | Scheduled | Plane | Estimated | ||
|---|---|---|---|---|---|---|---|---|
| Departure | Arrival | Departure | Arrival | |||||
| Thu, 01 Oct | UA421 | Norman Y Mineta San Jose Intl (SJC) | Denver Intl (DEN) | 10:45 PDT | 14:22 MDT | |||
| Wed, 30 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:18 EDT | 23:32 CDT | 22:37 EDT | 23:04 CDT | |
| Wed, 30 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:45 MDT | 21:11 EDT | |||
| Tue, 29 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:18 EDT | 23:32 CDT | 23:08 EDT | 23:38 CDT | |
| Tue, 29 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:45 MDT | 21:11 EDT | N488UA (Airbus A320) | 17:45 MDT | 21:15 EDT |
| Mon, 28 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:18 EDT | 23:32 CDT | 22:51 EDT | 23:13 CDT | |
| Mon, 28 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:45 MDT | 21:11 EDT | N448UA (Airbus A320) | 16:16 MDT | 23:02 EDT |
| Sun, 27 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:29 EDT | 23:42 CDT | N61882 (Boeing B739) | 22:58 EDT | 23:24 CDT |
| Sun, 27 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:45 MDT | 21:11 EDT | 15:51 MDT | 20:57 EDT | |
| Sat, 26 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:18 EDT | 23:31 CDT | N78438 (Boeing B739) | 22:26 EDT | 22:49 CDT |
| Sat, 26 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:45 MDT | 21:09 EDT | 15:59 MDT | 21:04 EDT | |
| Fri, 25 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:45 MDT | 21:11 EDT | 15:50 MDT | 23:14 EDT | |
| Thu, 24 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:18 EDT | 23:32 CDT | 22:24 EDT | 22:49 CDT | |
| Thu, 24 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:45 MDT | 21:11 EDT | N434UA (Airbus A320) | 18:14 MDT | 21:52 EDT |
| Wed, 23 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N36472 (Boeing B739) | 23:10 EDT | 23:34 CDT |
| Wed, 23 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 15:50 MDT | 20:55 EDT | |
| Tue, 22 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | |||
| Tue, 22 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | N446UA (Airbus A320) | 15:59 MDT | 21:35 EDT |
| Mon, 21 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | |||
| Mon, 21 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | |||
| Sun, 20 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N68452 (Boeing B739) | 23:41 EDT | 00:13 CDT |
| Sun, 20 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 15:51 MDT | 20:48 EDT | |
| Sat, 19 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N38473 (Boeing B739) | 22:59 EDT | 00:26 CDT |
| Sat, 19 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | |||
| Fri, 18 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N79541 ( B738) | 23:09 EDT | 23:35 CDT |
| Fri, 18 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 15:50 MDT | 21:07 EDT | |
| Thu, 17 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N87531 (Boeing B738) | 00:35 EDT | 01:03 CDT |
| Thu, 17 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | |||
| Wed, 16 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N24211 (Boeing B738) | 22:41 EDT | 23:06 CDT |
| Wed, 16 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | |||
| Tue, 15 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N35236 (Boeing B738) | 22:47 EDT | 23:21 CDT |
| Tue, 15 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | |||
| Mon, 14 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | 22:44 EDT | 23:12 CDT | |
| Mon, 14 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | N431UA (Airbus A320) | 15:50 MDT | 21:27 EDT |
| Sun, 13 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N39415 (Boeing B739) | 23:10 EDT | 23:45 CDT |
| Sun, 13 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 16:10 MDT | 20:57 EDT | |
| Sat, 12 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N36476 (Boeing B739) | 22:54 EDT | 23:19 CDT |
| Sat, 12 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | |||
| Fri, 11 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N75435 (Boeing B739) | 22:37 EDT | 23:04 CDT |
| Fri, 11 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 15:46 MDT | 20:51 EDT | |
| Thu, 10 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N37468 (Boeing B739) | 22:44 EDT | 23:15 CDT |
| Thu, 10 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | N890UA (Airbus A319) | 17:58 MDT | 20:51 EDT |
| Wed, 09 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N37474 (Boeing B739) | 22:46 EDT | 23:15 CDT |
| Wed, 09 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | |||
| Tue, 08 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N53442 (Boeing B739) | 22:56 EDT | 23:19 CDT |
| Tue, 08 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | N850UA (Airbus A319) | 15:39 MDT | 20:58 EDT |
| Mon, 07 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | 22:42 EDT | 23:10 CDT | |
| Mon, 07 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 15:44 MDT | 21:10 EDT | |
| Sun, 06 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | 23:09 EDT | 23:42 CDT | |
| Sun, 06 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | |||
| Sat, 05 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N68801 (Boeing B739) | 22:50 EDT | 23:16 CDT |
| Sat, 05 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 15:38 MDT | 20:42 EDT | |
| Fri, 04 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | 23:04 EDT | 23:35 CDT | |
| Fri, 04 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 15:39 MDT | 21:16 EDT | |
| Thu, 03 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | |||
| Thu, 03 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 16:47 MDT | 21:46 EDT | |
| Wed, 02 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | 22:50 EDT | 23:16 CDT | |
| Wed, 02 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 15:55 MDT | 20:44 EDT | |
| Tue, 01 Sep | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | 22:49 EDT | 23:12 CDT | |
| Tue, 01 Sep | UA421 | Denver Intl (DEN) | Washington Dulles Intl (IAD) | 15:40 MDT | 21:08 EDT | 15:56 MDT | 20:53 EDT | |
| Mon, 31 Aug | UA421 | Washington Dulles Intl (IAD) | Chicago Ohare Intl (ORD) | 22:27 EDT | 23:40 CDT | N87512 (Boeing B738) | 23:07 EDT | 23:34 CDT |