(AS) Alaska Airlines 2121 Flight Details
On time | Scheduled
Departure
SAN
San Diego International Airport, CA, US
Flight Gate Times
03-Apr-2026
Scheduled
19:26
PDT
Estimated
19:26
PDT
Total Departure Delay: -
Flight Runway Times
03-Apr-2026
Scheduled
19:53
PDT
Actual
--
Runway Delay: -
Terminal
2
Gate
24
Craft Type
Embraer 175
E75
Flight Time
Scheduled
1h 44m
Arrival
SFO
San Francisco International Airport, CA, US
Flight Gate Times
03-Apr-2026
Scheduled
21:10
PDT
Estimated
21:01
PDT
Total Arrival Delay: -
Flight Runway Times
03-Apr-2026
Scheduled
20:54
PDT
Actual
--
Runway Delay: -
Terminal
1
Gate
B3
Baggage Claim
6
Tail Number
N664QX
Flight Time
Estimated
1h 35m
Flight Notes
Operated by Horizon Air on behalf of Alaska Airlines
Also marketed as (AA) American Airlines 9403, (BA) British Airways 6433, (CX) Cathay Pacific 7929, (FJ) Fiji Airways 5839, (HA) Hawaiian Airlines 6540, (QF) Qantas 3743
Event Timeline
Date
Event
Data Updated
3 Apr
07:54
00:54
00:54
Time Adjustment
Scheduled Runway Departure changed from Apr-03-2026 7:33 PM to Apr-03-2026 7:53 PM
Scheduled Runway Arrival changed from Apr-03-2026 8:41 PM to Apr-03-2026 8:54 PM
3 Apr
07:54
00:54
00:54
Time Adjustment
Estimated Gate Arrival changed from Apr-03-2026 9:10 PM to Apr-03-2026 9:01 PM
3 Apr
02:31
19:31
19:31
Time Adjustment
Scheduled Runway Departure changed to Apr-03-2026 7:33 PM
Scheduled Runway Arrival changed to Apr-03-2026 8:41 PM
2 Apr
18:14
11:14
11:14
Equipment Adjustment
Tail Number changed from N639QX to N664QX
2 Apr
11:52
04:52
04:52
Equipment Adjustment
Tail Number changed from N668QX to N639QX
2 Apr
04:24
21:24
21:24
Gate Adjustment
Baggage changed to 6
2 Apr
04:12
21:12
21:12
Gate Adjustment
Arrival Gate changed from A10 to B3
Arrival Terminal changed from INTL to 1
2 Apr
03:56
20:56
20:56
Gate Adjustment
Arrival Gate changed to A10
Arrival Terminal changed from 1 to INTL
2 Apr
02:53
19:53
19:53
Gate Adjustment
Departure Gate changed from 26 to 24
2 Apr
01:49
18:49
18:49
Gate Adjustment
Departure Gate changed to 26
2 Apr
01:48
18:48
18:48
Time Adjustment
Estimated Gate Departure changed to Apr-03-2026 7:26 PM
Estimated Gate Arrival changed to Apr-03-2026 9:10 PM
Tail Number changed to N668QX
Actual Equipment changed to E75
31 Mar
18:12
11:12
11:12
Record Created
31 Mar
18:12
11:12
11:12
Time Adjustment
Scheduled Gate Departure changed to Apr-03-2026 7:26 PM
Scheduled Gate Arrival changed to Apr-03-2026 9:10 PM
Departure Terminal changed to 2
Arrival Terminal changed to 1
Scheduled Equipment changed to E75