(UA) United Airlines 3643 Flight Details
On time | Scheduled
Departure
PWM
Portland International Jetport, ME, US
Flight Gate Times
10-Jan-2026
Scheduled
08:40
EST
Estimated
08:40
EST
Total Departure Delay: -
Flight Runway Times
10-Jan-2026
Scheduled
08:58
EST
Actual
--
Runway Delay: -
Terminal
-
Gate
3
Craft Type
Embraer 175
E75
Flight Time
Scheduled
1h 48m
Arrival
EWR
Newark Liberty International Airport, NJ, US
Flight Gate Times
10-Jan-2026
Scheduled
10:28
EST
Estimated
10:28
EST
Total Arrival Delay: -
Flight Runway Times
10-Jan-2026
Scheduled
10:18
EST
Actual
--
Runway Delay: -
Terminal
C
Gate
88
Baggage Claim
8
Tail Number
N742YX
Flight Time
Estimated
1h 48m
Flight Notes
Operated by Republic Airways on behalf of United Airlines
Also marketed as (AC) Air Canada 3457, (CM) Copa Airlines 1374, (OS) Austrian 7740
Event Timeline
Date
Event
Data Updated
10 Jan
02:01
21:01
21:01
Gate Adjustment
Arrival Gate changed from 107 to 88
9 Jan
20:13
15:13
15:13
Gate Adjustment
Departure Gate changed to 3
9 Jan
19:37
14:37
14:37
Gate Adjustment
Arrival Gate changed from 113 to 107
9 Jan
19:31
14:31
14:31
Gate Adjustment
Arrival Gate changed from 114 to 113
9 Jan
19:31
14:31
14:31
Gate Adjustment
Arrival Gate changed from 115 to 114
9 Jan
19:31
14:31
14:31
Gate Adjustment
Arrival Gate changed from 70 to 115
9 Jan
17:31
12:31
12:31
Gate Adjustment
Arrival Gate changed from 130 to 70
9 Jan
15:31
10:31
10:31
Gate Adjustment
Arrival Gate changed to 130
Baggage changed to 8
9 Jan
13:46
08:46
08:46
Time Adjustment
Scheduled Runway Departure changed from Jan-10-2026 8:50 AM to Jan-10-2026 8:58 AM
Scheduled Runway Arrival changed from Jan-10-2026 9:58 AM to Jan-10-2026 10:18 AM
9 Jan
13:41
08:41
08:41
Time Adjustment
Scheduled Runway Departure changed to Jan-10-2026 8:50 AM
Scheduled Runway Arrival changed to Jan-10-2026 9:58 AM
9 Jan
02:01
21:01
21:01
Equipment Adjustment
Tail Number changed from N745YX to N742YX
8 Jan
08:07
03:07
03:07
Equipment Adjustment
Tail Number changed from N724YX to N745YX
8 Jan
02:01
21:01
21:01
Time Adjustment
Estimated Gate Departure changed to Jan-10-2026 8:40 AM
Estimated Gate Arrival changed to Jan-10-2026 10:28 AM
Tail Number changed to N724YX
Actual Equipment changed to E75
7 Jan
18:43
13:43
13:43
Record Created
7 Jan
18:43
13:43
13:43
Time Adjustment
Scheduled Gate Departure changed to Jan-10-2026 8:40 AM
Scheduled Gate Arrival changed to Jan-10-2026 10:28 AM
Arrival Terminal changed to C
Scheduled Equipment changed to E7W