(TP) TAP Air Portugal 4478 Flight Details
Delayed by 21h 20m | Scheduled
Departure
SEA
Seattle-Tacoma International Airport, WA, US
Flight Gate Times
23-Aug-2026
Scheduled
11:40
PDT
Estimated
09:00
PDT
Total Departure Delay: 21 h 20 mins
Flight Runway Times
23-Aug-2026
Scheduled
12:01
PDT
Estimated
09:21
PDT
Runway Delay: 21 h 20 mins
Terminal
-
Gate
D22
Craft Type
Airbus A321 (sharklets)
32B
Flight Time
Scheduled
5h 29m
Arrival
BOS
Boston Logan International Airport, MA, US
Flight Gate Times
23-Aug-2026
Scheduled
20:09
EDT
Estimated
17:14
EDT
Total Arrival Delay: 21 h 5 mins
Flight Runway Times
23-Aug-2026
Scheduled
19:51
EDT
Actual
--
Runway Delay: -
Terminal
C
Gate
C19
Baggage Claim
4
Tail Number
N903JB
Flight Time
Estimated
5h 14m
Flight Notes
Operated by JetBlue 398
Also marketed as (BA) British Airways 8370
Event Timeline
Date
Event
Data Updated
23 Aug
23:26
16:26
19:26
Time Adjustment
Estimated Runway Departure changed from Aug-23-2026 3:51 PM to Aug-24-2026 9:21 AM
Estimated Gate Departure changed from Aug-23-2026 3:01 PM to Aug-24-2026 9:00 AM
Estimated Gate Arrival changed from Aug-23-2026 11:15 PM to Aug-24-2026 5:14 PM
23 Aug
23:03
16:03
19:03
Time Adjustment
Estimated Runway Departure changed from Aug-23-2026 3:31 PM to Aug-23-2026 3:51 PM
23 Aug
20:30
13:30
16:30
Time Adjustment
Estimated Gate Departure changed from Aug-23-2026 2:24 PM to Aug-23-2026 3:01 PM
Estimated Gate Arrival changed from Aug-23-2026 10:28 PM to Aug-23-2026 11:15 PM
23 Aug
19:57
12:57
15:57
Time Adjustment
Estimated Gate Departure changed from Aug-23-2026 1:54 PM to Aug-23-2026 2:24 PM
Estimated Gate Arrival changed from Aug-23-2026 9:58 PM to Aug-23-2026 10:28 PM
23 Aug
19:15
12:15
15:15
Time Adjustment
Estimated Gate Departure changed from Aug-23-2026 1:24 PM to Aug-23-2026 1:54 PM
Estimated Gate Arrival changed from Aug-23-2026 9:28 PM to Aug-23-2026 9:58 PM
23 Aug
19:03
12:03
15:03
Time Adjustment
Estimated Gate Departure changed from Aug-23-2026 12:39 PM to Aug-23-2026 1:24 PM
Estimated Gate Arrival changed from Aug-23-2026 8:43 PM to Aug-23-2026 9:28 PM
23 Aug
16:49
09:49
12:49
Gate Adjustment
Arrival Gate changed from C20 to C19
23 Aug
16:35
09:35
12:35
Time Adjustment
Estimated Gate Departure changed from Aug-23-2026 11:40 AM to Aug-23-2026 12:39 PM
Estimated Gate Arrival changed from Aug-23-2026 8:09 PM to Aug-23-2026 8:43 PM
23 Aug
16:06
09:06
12:06
Time Adjustment
Estimated Runway Departure changed from Aug-23-2026 12:01 PM to Aug-23-2026 3:31 PM
23 Aug
16:06
09:06
12:06
Gate Adjustment
Departure Gate changed to D22
23 Aug
06:44
23:44
02:44
Gate Adjustment
Arrival Gate changed to C20
Baggage changed to 4
Tail Number changed to N903JB
Actual Equipment changed from 321 to 32B
22 Aug
18:46
11:46
14:46
Time Adjustment
Estimated Gate Departure changed to Aug-23-2026 11:40 AM
Estimated Gate Arrival changed to Aug-23-2026 8:09 PM
22 Aug
18:41
11:41
14:41
Time Adjustment
Scheduled Runway Departure changed to Aug-23-2026 12:01 PM
Estimated Runway Departure changed to Aug-23-2026 12:01 PM
Scheduled Runway Arrival changed to Aug-23-2026 7:51 PM
Actual Equipment changed to 321
20 Aug
18:14
11:14
14:14
Record Created
20 Aug
18:14
11:14
14:14
Time Adjustment
Scheduled Gate Departure changed to Aug-23-2026 11:40 AM
Scheduled Gate Arrival changed to Aug-23-2026 8:09 PM
Arrival Terminal changed to C
Scheduled Equipment changed to 321