(UA) United Airlines 2121 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
05-May-2026
Scheduled
08:38
PDT
Estimated
08:38
PDT
Total Departure Delay: -
Flight Runway Times
05-May-2026
Scheduled
09:01
PDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B15
Craft Type
Airbus A320
320
Flight Time
Scheduled
2h 19m
Arrival
SFO
San Francisco International Airport, CA, US
Flight Gate Times
05-May-2026
Scheduled
10:57
PDT
Estimated
10:57
PDT
Total Arrival Delay: -
Flight Runway Times
05-May-2026
Scheduled
10:48
PDT
Actual
--
Runway Delay: -
Terminal
2
Gate
D10
Baggage Claim
2
Tail Number
N453UA
Flight Time
Estimated
2h 19m
Flight Notes
Also marketed as (AZ) ITA Airways 4483, (NH) ANA 7305, (NZ) Air New Zealand 9427, (TK) Turkish Airlines 9586, (VA) Virgin Australia 8291
Event Timeline
Date
Event
Data Updated
5 May
06:10
23:10
23:10
Gate Adjustment
Baggage changed from 6 to 2
5 May
00:53
17:53
17:53
Gate Adjustment
Departure Gate changed from B9 to B15
4 May
17:59
10:59
10:59
Gate Adjustment
Arrival Gate changed to D10
Arrival Terminal changed from 3 to 2
Baggage changed to 6
4 May
15:46
08:46
08:46
Time Adjustment
Scheduled Runway Departure changed from May-05-2026 8:47 AM to May-05-2026 9:01 AM
Scheduled Runway Arrival changed from May-05-2026 10:19 AM to May-05-2026 10:48 AM
4 May
15:41
08:41
08:41
Time Adjustment
Scheduled Runway Departure changed to May-05-2026 8:47 AM
Scheduled Runway Arrival changed to May-05-2026 10:19 AM
4 May
14:47
07:47
07:47
Equipment Adjustment
Tail Number changed from N433UA to N453UA
2 May
22:23
15:23
15:23
Equipment Adjustment
Tail Number changed to N433UA
Actual Equipment changed to 320
2 May
22:23
15:23
15:23
Time Adjustment
Estimated Gate Departure changed to May-05-2026 8:38 AM
Estimated Gate Arrival changed to May-05-2026 10:57 AM
Departure Gate changed to B9
2 May
18:46
11:46
11:46
Record Created
2 May
18:46
11:46
11:46
Time Adjustment
Scheduled Gate Departure changed to May-05-2026 8:38 AM
Scheduled Gate Arrival changed to May-05-2026 10:57 AM
Arrival Terminal changed to 3
Scheduled Equipment changed to 320