(UA) United Airlines 4278 Flight Details
On time | Scheduled
Departure
IAH
Houston George Bush Intercontinental Airport, TX, US
Flight Gate Times
07-Dec-2025
Scheduled
18:13
CST
Estimated
18:13
CST
Total Departure Delay: -
Flight Runway Times
07-Dec-2025
Scheduled
18:33
CST
Actual
--
Runway Delay: -
Terminal
B
Gate
24
Craft Type
Embraer EMB-145XR
E45
Flight Time
Scheduled
1h 57m
Arrival
TAM
General Francisco Javier Mina Intl Airport, MX
Flight Gate Times
07-Dec-2025
Scheduled
20:10
CST
Estimated
20:10
CST
Total Arrival Delay: -
Flight Runway Times
07-Dec-2025
Scheduled
20:06
CST
Actual
--
Runway Delay: -
Terminal
-
Gate
-
Baggage Claim
-
Tail Number
N12135
Flight Time
Estimated
1h 57m
Flight Notes
Operated by CommuteAir on behalf of United Airlines
Also marketed as (AC) Air Canada 3401, (LH) Lufthansa 7694
Event Timeline
Date
Event
Data Updated
7 Dec
00:21
18:21
18:21
Time Adjustment
Scheduled Runway Departure changed from Dec-07-2025 6:20 PM to Dec-07-2025 6:33 PM
Scheduled Runway Arrival changed from Dec-07-2025 7:43 PM to Dec-07-2025 8:06 PM
7 Dec
00:16
18:16
18:16
Time Adjustment
Scheduled Runway Departure changed to Dec-07-2025 6:20 PM
Scheduled Runway Arrival changed to Dec-07-2025 7:43 PM
6 Dec
23:25
17:25
17:25
Gate Adjustment
Departure Gate changed to 24
Departure Terminal changed from E to B
6 Dec
18:13
12:13
12:13
Equipment Adjustment
Tail Number changed from N14203 to N12135
6 Dec
10:37
04:37
04:37
Equipment Adjustment
Tail Number changed from N12201 to N14203
6 Dec
10:19
04:19
04:19
Equipment Adjustment
Tail Number changed from N16147 to N12201
5 Dec
19:43
13:43
13:43
Equipment Adjustment
Tail Number changed from N13124 to N16147
5 Dec
19:31
13:31
13:31
Equipment Adjustment
Tail Number changed to N13124
Actual Equipment changed to E45
5 Dec
04:01
22:01
22:01
Time Adjustment
Estimated Gate Departure changed to Dec-07-2025 6:13 PM
Estimated Gate Arrival changed to Dec-07-2025 8:10 PM
4 Dec
18:48
12:48
12:48
Record Created
4 Dec
18:48
12:48
12:48
Time Adjustment
Scheduled Gate Departure changed to Dec-07-2025 6:13 PM
Scheduled Gate Arrival changed to Dec-07-2025 8:10 PM
Departure Terminal changed to E
Scheduled Equipment changed to ERJ