United Airlines Flight UA521 UAL521T
Service Type
Passenger
Seats
166
Freight
--
Capacity
17.9 tonnes
Codeshare flight(s):
NZ6393
Upcoming Flights
| Date | Departing | From | To | Arriving | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 18 Nov 2026 |
18:35
CST |
Houston IAH
|
Boston BOS
|
23:25
EST |
738 | Unknown | Play |
| 17 Nov 2026 |
18:35
CST |
Houston IAH
|
Boston BOS
|
23:25
EST |
7M8 | Unknown | Play |
| 16 Nov 2026 |
15:57
EST |
Atlanta ATL
|
Houston IAH
|
17:21
CST |
319 | Unknown | Play |
| 16 Nov 2026 |
18:35
CST |
Houston IAH
|
Boston BOS
|
23:25
EST |
7M8 | Unknown | Play |
| 15 Nov 2026 |
15:57
EST |
Atlanta ATL
|
Houston IAH
|
17:21
CST |
320 | Unknown | Play |
| 15 Nov 2026 |
18:35
CST |
Houston IAH
|
Boston BOS
|
23:25
EST |
7M8 | Unknown | Play |
| 14 Nov 2026 |
15:57
EST |
Atlanta ATL
|
Houston IAH
|
17:21
CST |
320 | Unknown | Play |
| 14 Nov 2026 |
18:35
CST |
Houston IAH
|
Boston BOS
|
23:25
EST |
7M8 | Unknown | Play |
| 13 Nov 2026 |
15:57
EST |
Atlanta ATL
|
Houston IAH
|
17:21
CST |
320 | Unknown | Play |
| 13 Nov 2026 |
18:35
CST |
Houston IAH
|
Boston BOS
|
23:25
EST |
7M8 | Unknown | Play |
| 12 Nov 2026 |
15:57
EST |
Atlanta ATL
|
Houston IAH
|
17:21
CST |
320 | Unknown | Play |
| 12 Nov 2026 |
18:35
CST |
Houston IAH
|
Boston BOS
|
23:25
EST |
B38M | N27283 | Play |
| 11 Nov 2026 |
15:57
EST |
Atlanta ATL
|
Houston IAH
|
17:21
CST |
A320 | N484UA | Play |
| 11 Nov 2026 |
18:35
CST |
Houston IAH
|
Boston BOS
|
23:25
EST |
B738 | N87513 | Play |
Past Flights
| Date | Departed | From | To | Arrived | Aircraft | Reg | |
|---|---|---|---|---|---|---|---|
| 25 Jul 2026 |
15:40
EDT |
Portland PWM
|
Houston IAH
|
20:36
CDT |
A319 | N826UA | Play |
| 24 Jul 2026 |
18:45
CDT |
Houston IAH
|
Boston BOS
|
06:16
EDT |
B39M | N37548 | Play |
| 24 Jul 2026 |
19:30
CDT |
Houston IAH
|
Boston BOS
|
06:17
EDT |
B39M | N37548 | Play |
| 22 Jul 2026 |
18:35
CDT |
Houston IAH
|
Boston BOS
|
05:48
EDT |
B39M | N37555 | Play |
| 22 Jul 2026 |
19:15
CDT |
Houston IAH
|
Boston BOS
|
08:10
EDT |
B39M | N27509 | Play |
| 20 Jul 2026 |
18:35
CDT |
Houston IAH
|
Boston BOS
|
05:50
EDT |
B39M | N17431 | Play |
| 19 Jul 2026 |
18:30
CDT |
Houston IAH
|
Boston BOS
|
06:22
EDT |
B39M | N37506 | Play |
| 18 Jul 2026 |
17:50
EDT |
Portland PWM
|
Houston IAH
|
21:51
CDT |
A319 | N819UA | Play |
| 17 Jul 2026 |
18:25
CDT |
Houston IAH
|
Boston BOS
|
06:13
EDT |
B39M | N17402 | Play |
| 16 Jul 2026 |
18:45
CDT |
Houston IAH
|
Boston BOS
|
06:05
EDT |
B39M | N17402 | Play |
| 16 Jul 2026 |
19:20
CDT |
Houston IAH
|
Boston BOS
|
07:21
EDT |
B39M | N37516 | Play |
| 14 Jul 2026 |
18:55
CDT |
Houston IAH
|
Boston BOS
|
07:55
EDT |
B39M | N57416 | Play |
| 14 Jul 2026 |
21:15
CDT |
Houston IAH
|
Boston BOS
|
06:16
EDT |
B39M | N17454 | Play |
| 12 Jul 2026 |
18:35
CDT |
Houston IAH
|
Boston BOS
|
05:48
EDT |
B39M | N37510 | Play |
| 11 Jul 2026 |
15:50
EDT |
Portland PWM
|
Houston IAH
|
20:24
CDT |
A319 | N817UA | Play |
| 10 Jul 2026 |
18:40
CDT |
Houston IAH
|
Boston BOS
|
08:02
EDT |
B39M | N77587 | Play |
| 9 Jul 2026 |
18:25
CDT |
Houston IAH
|
Boston BOS
|
08:07
EDT |
B39M | N17566 | Play |
| 8 Jul 2026 |
18:30
CDT |
Houston IAH
|
Boston BOS
|
06:04
EDT |
B39M | N17456 | Play |
| 8 Jul 2026 |
21:25
CDT |
Houston IAH
|
Boston BOS
|
07:33
EDT |
B39M | N27419 | Play |
| 7 Jul 2026 |
19:25
CDT |
Houston IAH
|
Boston BOS
|
06:14
EDT |
B39M | N37535 | Play |
| 5 Jul 2026 |
18:40
CDT |
Houston IAH
|
Boston BOS
|
05:43
EDT |
B39M | N37561 | Play |
| 4 Jul 2026 |
15:40
EDT |
Portland PWM
|
Houston IAH
|
18:37
CDT |
A320 | N4901U | Play |
| 4 Jul 2026 |
22:25
EDT |
Portland PWM
|
Houston IAH
|
05:15
CDT |
B39M | N17599 | Play |
| 2 Jul 2026 |
18:45
CDT |
Houston IAH
|
Boston BOS
|
07:57
EDT |
B39M | N17550 | Play |
| 2 Jul 2026 |
19:55
CDT |
Houston IAH
|
Boston BOS
|
07:59
EDT |
B39M | N27503 | Play |
| 30 Jun 2026 |
18:40
CDT |
Houston IAH
|
Boston BOS
|
06:21
EDT |
B39M | N77579 | Play |
| 29 Jun 2026 |
18:45
CDT |
Houston IAH
|
Boston BOS
|
07:23
EDT |
B39M | N37507 | Play |
| 29 Jun 2026 |
19:30
CDT |
Houston IAH
|
Boston BOS
|
00:28
EDT |
B737 | N27733 | Play |
| 27 Jun 2026 |
16:45
EDT |
Atlanta ATL
|
Houston IAH
|
18:56
CDT |
A319 | N813UA | Play |
| 26 Jun 2026 |
18:30
CDT |
Houston IAH
|
Boston BOS
|
08:03
EDT |
B39M | N47533 | Play |
