United Airlines Flight UA421 UAL421
Upcoming Flights
| Date | Departing | From | To | Arriving | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 24 Sep 2026 |
22:27
EDT |
Washington IAD
|
Chicago ORD
|
23:40
CDT |
739 | Unknown | Play |
| 23 Sep 2026 |
15:40
MDT |
Denver DEN
|
Washington IAD
|
21:08
EDT |
A21N | N14557 | Play |
| 23 Sep 2026 |
22:27
EDT |
Washington IAD
|
Chicago ORD
|
23:40
CDT |
B738 | N76517 | Play |
| 22 Sep 2026 |
15:40
MDT |
Denver DEN
|
Washington IAD
|
21:08
EDT |
A21N | N14557 | Play |
| 22 Sep 2026 |
22:27
EDT |
Washington IAD
|
Chicago ORD
|
23:40
CDT |
B739 | N77430 | Play |
Live Flights
| Date | Departed | From | To | Arriving | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 21 Sep 2026 |
15:51
MDT |
Denver DEN
|
Washington IAD
|
21:01
EDT |
A21N | N14531 | Live |
Past Flights
| Date | Departed | From | To | Arrived | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 18 Dec 2025 |
16:45
MST |
Salt Lake City SLC
|
Milwaukee MKE
|
20:10
CST |
B738 | N76516 | Play |
| 17 Dec 2025 |
11:05
PST |
Santa Ana SNA
|
Denver DEN
|
15:52
MST |
B38M | N17335 | Play |
| 16 Dec 2025 |
11:15
PST |
Santa Ana SNA
|
Denver DEN
|
15:49
MST |
B38M | N17355 | Play |
| 15 Dec 2025 |
11:20
PST |
Santa Ana SNA
|
Denver DEN
|
15:46
MST |
B38M | N37324 | Play |
| 14 Dec 2025 |
12:15
PST |
Santa Ana SNA
|
Denver DEN
|
16:09
MST |
B38M | N17306 | Play |
| 13 Dec 2025 |
11:40
PST |
Santa Ana SNA
|
Denver DEN
|
16:02
MST |
B38M | N27267 | Play |
| 12 Dec 2025 |
11:20
PST |
Santa Ana SNA
|
Denver DEN
|
15:59
MST |
B38M | N17300 | Play |
| 11 Dec 2025 |
12:30
PST |
Santa Ana SNA
|
Denver DEN
|
15:36
MST |
B38M | N17358 | Play |
| 10 Dec 2025 |
11:20
PST |
Santa Ana SNA
|
Denver DEN
|
15:43
MST |
B38M | N17336 | Play |
| 9 Dec 2025 |
11:15
PST |
Santa Ana SNA
|
Denver DEN
|
17:35
MST |
B38M | N37352 | Play |
| 8 Dec 2025 |
11:05
PST |
Santa Ana SNA
|
Denver DEN
|
15:37
MST |
B38M | N17359 | Play |
| 7 Dec 2025 |
11:15
PST |
Santa Ana SNA
|
Denver DEN
|
14:20
MST |
B38M | N57286 | Play |
| 6 Dec 2025 |
11:15
PST |
Santa Ana SNA
|
Denver DEN
|
16:04
MST |
B38M | N17346 | Play |
| 5 Dec 2025 |
11:25
PST |
Santa Ana SNA
|
Denver DEN
|
15:54
MST |
B38M | N77259 | Play |
| 4 Dec 2025 |
11:10
PST |
Santa Ana SNA
|
Denver DEN
|
15:44
MST |
B38M | N47282 | Play |
| 3 Dec 2025 |
11:05
PST |
Santa Ana SNA
|
Denver DEN
|
15:48
MST |
B38M | N17294 | Play |
| 2 Dec 2025 |
12:20
PST |
Santa Ana SNA
|
Denver DEN
|
15:11
MST |
B38M | N27334 | Play |
| 2 Dec 2025 |
17:10
PST |
Santa Ana SNA
|
Denver DEN
|
07:44
MST |
A320 | N488UA | Play |
| 1 Dec 2025 |
11:15
PST |
Santa Ana SNA
|
Denver DEN
|
15:51
MST |
B38M | N17294 | Play |
| 1 Dec 2025 |
17:30
PST |
Santa Ana SNA
|
Milwaukee MKE
|
08:21
CST |
A320 | N493UA | Play |
| 30 Nov 2025 |
11:35
PST |
Santa Ana SNA
|
Milwaukee MKE
|
15:42
CST |
B38M | N37351 | Play |
| 30 Nov 2025 |
17:05
PST |
Santa Ana SNA
|
Milwaukee MKE
|
08:53
CST |
A320 | N494UA | Play |
| 29 Nov 2025 |
11:20
PST |
Santa Ana SNA
|
Milwaukee MKE
|
16:59
CST |
B38M | N27274 | Play |
| 29 Nov 2025 |
17:20
PST |
Santa Ana SNA
|
Milwaukee MKE
|
09:23
CST |
A320 | N465UA | Play |
| 28 Nov 2025 |
12:30
PST |
Santa Ana SNA
|
Milwaukee MKE
|
17:20
CST |
B38M | N17346 | Play |
| 28 Nov 2025 |
16:50
PST |
Los Angeles LAX
|
Phoenix PHX
|
00:02
MST |
B739 | N77431 | Play |
| 27 Nov 2025 |
16:55
PST |
Santa Ana SNA
|
Milwaukee MKE
|
08:54
CST |
A320 | N466UA | Play |
| 26 Nov 2025 |
11:20
PST |
Santa Ana SNA
|
Milwaukee MKE
|
16:42
CST |
B38M | N17344 | Play |
| 26 Nov 2025 |
18:25
MST |
Denver DEN
|
Milwaukee MKE
|
08:26
CST |
A320 | N481UA | Play |
| 25 Nov 2025 |
11:20
PST |
Santa Ana SNA
|
Milwaukee MKE
|
17:14
CST |
B38M | N57299 | Play |
