(UA) United Airlines 521 Flight Details
On time | Scheduled
Departure
BOS
Boston Logan International Airport, MA, US
Flight Gate Times
27-Oct-2025
Scheduled
18:25
EDT
Estimated
18:25
EDT
Total Departure Delay: -
Flight Runway Times
27-Oct-2025
Scheduled
18:44
EDT
Estimated
18:44
EDT
Runway Delay: -
Terminal
B
Gate
B30
Craft Type
Boeing 737MAX 8 Passenger
7M8
Flight Time
Scheduled
1h 35m
Arrival
EWR
Newark Liberty International Airport, NJ, US
Flight Gate Times
27-Oct-2025
Scheduled
20:00
EDT
Estimated
19:50
EDT
Total Arrival Delay: -
Flight Runway Times
27-Oct-2025
Scheduled
19:41
EDT
Estimated
19:41
EDT
Runway Delay: -
Terminal
A
Gate
28
Baggage Claim
3
Tail Number
N17301
Flight Time
Estimated
1h 25m
Flight Notes
Also marketed as (TP) TAP Air Portugal 8515
Event Timeline
Date
Event
Data Updated
27 Oct
20:27
16:27
16:27
Time Adjustment
Scheduled Runway Arrival changed from Oct-27-2025 7:51 PM to Oct-27-2025 7:41 PM
27 Oct
20:27
16:27
16:27
Time Adjustment
Estimated Runway Departure changed to Oct-27-2025 6:44 PM
Estimated Runway Arrival changed to Oct-27-2025 7:41 PM
Estimated Gate Arrival changed from Oct-27-2025 8:00 PM to Oct-27-2025 7:50 PM
27 Oct
08:08
04:08
04:08
Gate Adjustment
Arrival Gate changed from 27 to 28
Baggage changed from A3 to 3
27 Oct
02:09
22:09
22:09
Gate Adjustment
Departure Gate changed from B29 to B30
27 Oct
00:03
20:03
20:03
Gate Adjustment
Arrival Gate changed to 27
Arrival Terminal changed from C to A
Baggage changed to A3
26 Oct
22:31
18:31
18:31
Time Adjustment
Scheduled Runway Departure changed from Oct-27-2025 6:35 PM to Oct-27-2025 6:44 PM
Scheduled Runway Arrival changed from Oct-27-2025 7:26 PM to Oct-27-2025 7:51 PM
26 Oct
22:26
18:26
18:26
Time Adjustment
Scheduled Runway Departure changed to Oct-27-2025 6:35 PM
Scheduled Runway Arrival changed to Oct-27-2025 7:26 PM
26 Oct
21:21
17:21
17:21
Gate Adjustment
Departure Gate changed to B29
25 Oct
20:03
16:03
16:03
Equipment Adjustment
Tail Number changed to N17301
Actual Equipment changed to 7M8
25 Oct
20:03
16:03
16:03
Time Adjustment
Estimated Gate Departure changed to Oct-27-2025 6:25 PM
Estimated Gate Arrival changed to Oct-27-2025 8:00 PM
24 Oct
18:49
14:49
14:49
Record Created
24 Oct
18:49
14:49
14:49
Time Adjustment
Scheduled Gate Departure changed to Oct-27-2025 6:25 PM
Scheduled Gate Arrival changed to Oct-27-2025 8:00 PM
Departure Terminal changed to B
Arrival Terminal changed to C
Scheduled Equipment changed to 7M8