(UA) United Airlines 2121 Flight Details
On time | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
12-May-2026
Scheduled
08:38
PDT
Estimated
08:38
PDT
Total Departure Delay: -
Flight Runway Times
12-May-2026
Scheduled
09:01
PDT
Actual
--
Runway Delay: -
Terminal
-
Gate
B11
Craft Type
Airbus A320
320
Flight Time
Scheduled
2h 19m
Arrival
SFO
San Francisco International Airport, CA, US
Flight Gate Times
12-May-2026
Scheduled
10:57
PDT
Estimated
10:57
PDT
Total Arrival Delay: -
Flight Runway Times
12-May-2026
Scheduled
10:48
PDT
Actual
--
Runway Delay: -
Terminal
2
Gate
D16
Baggage Claim
6
Tail Number
N488UA
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 8298
Event Timeline
Date
Event
Data Updated
12 May
06:59
23:59
23:59
Gate Adjustment
Departure Gate changed from B9 to B11
12 May
06:59
23:59
23:59
Gate Adjustment
Baggage changed from 1 to 6
12 May
06:02
23:02
23:02
Gate Adjustment
Baggage changed from 6 to 1
11 May
17:59
10:59
10:59
Gate Adjustment
Arrival Gate changed to D16
Arrival Terminal changed from 3 to 2
Baggage changed to 6
11 May
17:58
10:58
10:58
Time Adjustment
Scheduled Runway Departure changed from May-12-2026 8:48 AM to May-12-2026 9:01 AM
Scheduled Runway Arrival changed from May-12-2026 10:24 AM to May-12-2026 10:48 AM
11 May
15:47
08:47
08:47
Gate Adjustment
Departure Gate changed from B11 to B9
11 May
15:41
08:41
08:41
Time Adjustment
Scheduled Runway Departure changed to May-12-2026 8:48 AM
Scheduled Runway Arrival changed to May-12-2026 10:24 AM
10 May
23:05
16:05
16:05
Gate Adjustment
Departure Gate changed from B7A to B11
10 May
11:17
04:17
04:17
Gate Adjustment
Departure Gate changed from B9 to B7A
10 May
11:11
04:11
04:11
Equipment Adjustment
Tail Number changed from N495UA to N488UA
10 May
03:35
20:35
20:35
Equipment Adjustment
Tail Number changed from N437UA to N495UA
9 May
21:53
14:53
14:53
Equipment Adjustment
Tail Number changed to N437UA
Actual Equipment changed to 320
9 May
21:53
14:53
14:53
Time Adjustment
Estimated Gate Departure changed to May-12-2026 8:38 AM
Estimated Gate Arrival changed to May-12-2026 10:57 AM
Departure Gate changed to B9
9 May
18:44
11:44
11:44
Record Created
9 May
18:44
11:44
11:44
Time Adjustment
Scheduled Gate Departure changed to May-12-2026 8:38 AM
Scheduled Gate Arrival changed to May-12-2026 10:57 AM
Arrival Terminal changed to 3
Scheduled Equipment changed to 320