Flight UA421

United Airlines

UA UAL
Scheduled On Time

Last updated: May 25, 2025 10:46

Database Data: Showing scheduled flight information from database. Live status may not be available.
Departure

BOS

Boston Logan International Airport

Boston

17:40

Terminal: A

Gate: A38

140 min
Boeing 737-824
Arrival

IAH

Houston George Bush Intercontinental Airport

Houston

21:00

Terminal: 1

Gate: C14

Flight Information
Flight Number:
UA421
Callsign:
UAL421
Aircraft:
Boeing 737-824
Frequency:
MON-TUE-WED-THU-FRI-SAT-SUN
Status:
Scheduled On Time
Last Flight:
Mar 1, 2023
Flight History (Last 30 Flights)

Historical flight data showing past 30 operations

Date Route Status Schedule Estimates/Actual Duration Aircraft
2025-05-20
DEN MKE
Scheduled
2025-05-20 17:39
2025-05-20 21:01
-
142min -
2025-05-19
DEN MKE
Scheduled
2025-05-19 17:39
2025-05-19 21:01
-
142min -
2025-05-18
DEN MKE
Scheduled
2025-05-18 17:39
2025-05-18 21:01
-
142min -
2025-05-17
DEN MKE
Scheduled
2025-05-17 17:39
2025-05-17 21:01
-
142min -
2025-05-16
DEN MKE
Scheduled
2025-05-16 17:39
2025-05-16 21:01
-
142min -
2025-05-15
DEN MKE
Scheduled
2025-05-15 17:39
2025-05-15 21:01
-
142min -
2025-05-14
DEN MKE
Estimated
2025-05-14 17:39
2025-05-14 21:01
2025-05-14 17:39
142min Airbus A319-131
2025-05-13
DEN MKE
Estimated
2025-05-13 17:39
2025-05-13 21:01
2025-05-13 17:39
142min Airbus A319-131
2025-05-12
DEN MKE
Estimated
2025-05-12 17:39
2025-05-12 21:01
2025-05-12 17:39
142min Airbus A319-131
2025-05-11
DEN MKE
Landed
2025-05-11 17:39
2025-05-11 21:01
2025-05-11 18:31
2025-05-11 21:30
119min Airbus A319-132
2025-05-10
DEN MKE
Landed
2025-05-10 17:39
2025-05-10 21:01
2025-05-10 18:28
2025-05-10 21:26
118min Airbus A320-232
2025-05-09
DEN MKE
Landed
2025-05-09 17:39
2025-05-09 21:01
2025-05-09 17:58
2025-05-09 20:59
121min Airbus A319-131
2025-05-08
DEN MKE
Landed
2025-05-08 17:39
2025-05-08 21:01
2025-05-08 18:33
2025-05-08 21:34
121min Airbus A319-131
2025-05-07
DEN MKE
Landed
2025-05-07 17:39
2025-05-07 21:01
2025-05-07 18:49
2025-05-07 21:53
124min Airbus A319-131
2025-05-06
DEN MKE
Landed
2025-05-06 17:39
2025-05-06 21:01
2025-05-06 18:20
2025-05-06 21:19
119min Airbus A319-132
2025-05-05
DEN MKE
Landed
2025-05-05 17:39
2025-05-05 21:01
2025-05-05 19:52
2025-05-05 22:47
115min Airbus A319-132
2025-05-04
DEN MKE
Landed
2025-05-04 17:39
2025-05-04 21:01
2025-05-04 18:29
2025-05-04 21:29
119min Airbus A319-131
2025-05-03
DEN MKE
Landed
2025-05-03 17:39
2025-05-03 21:01
2025-05-03 17:44
2025-05-03 20:45
121min Airbus A319-131
2025-05-02
DEN MKE
Landed
2025-05-02 17:39
2025-05-02 21:01
2025-05-02 18:08
2025-05-02 21:04
115min Airbus A319-132
2025-05-01
DEN MKE
Landed
2025-05-01 17:39
2025-05-01 21:01
2025-05-01 17:50
2025-05-01 20:40
110min Airbus A319-131
2025-04-30
GJT DEN
Landed
2025-04-30 13:31
2025-04-30 14:46
2025-04-30 14:04
2025-04-30 14:45
41min Airbus A320-232
2025-04-29
GJT DEN
Landed
2025-04-29 13:31
2025-04-29 14:46
2025-04-29 14:05
2025-04-29 14:47
42min Boeing 737-824
2025-04-28
GJT DEN
Landed
2025-04-28 13:31
2025-04-28 14:46
2025-04-28 14:12
2025-04-28 14:51
39min Airbus A320-232
2025-04-27
GJT DEN
Landed
2025-04-27 13:31
2025-04-27 14:46
2025-04-27 14:23
2025-04-27 15:05
42min Airbus A320-232
2025-04-26
GJT DEN
Landed
2025-04-26 13:31
2025-04-26 14:46
2025-04-26 13:36
2025-04-26 14:14
39min Airbus A320-232
2025-04-25
GJT DEN
Landed
2025-04-25 13:31
2025-04-25 14:46
2025-04-25 14:26
2025-04-25 15:06
40min Airbus A320-232
2025-04-24
GJT DEN
Landed
2025-04-24 13:31
2025-04-24 14:46
2025-04-24 14:12
2025-04-24 14:56
45min Airbus A320-232
2025-04-23
GJT DEN
Landed
2025-04-23 13:31
2025-04-23 14:46
2025-04-23 13:36
2025-04-23 14:18
42min Airbus A320-232
2025-04-22
GJT DEN
Landed
2025-04-22 13:31
2025-04-22 14:46
2025-04-22 13:40
2025-04-22 14:23
43min Boeing 737-824
2025-04-21
GJT DEN
Landed
2025-04-21 13:31
2025-04-21 14:46
2025-04-21 13:50
2025-04-21 14:27
37min Airbus A320-232
Showing 30 most recent flights
Live Updates

This flight is monitored in real-time. Status updates every 5 minutes.

Related Information
Departure Airport
BOS Departures
Arrival Airport
IAH Arrivals