Flight UAL1523 UA1523

United Airlines

Last contact 18 hours ago
KSEA
Seattle–Tacoma International Airport
Seattle
→
KIAD
Washington Dulles International Airport
Dulles
Altitude
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Ground speed
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Vertical rate
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Track
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Squawk
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Source
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Figures refresh every 15 seconds while the flight is airborne.

30-day history

Date Aircraft From To First contact Last On air Max altitude
22.10.2026 A12B4C KSEA Seattle KIAD Dulles 17:22 UTC 20:18 UTC 2 h 55 min 37 000 ft
22.10.2026 A12B4C KSEA Seattle KIAD Dulles 15:17 UTC 16:39 UTC 1 h 22 min 35 000 ft
21.10.2026 A12B53 KSEA Seattle KIAD Dulles 17:33 UTC 20:07 UTC 2 h 35 min 35 000 ft
21.10.2026 A12B53 KSEA Seattle KIAD Dulles 15:19 UTC 16:41 UTC 1 h 22 min 35 000 ft
20.10.2026 N77543 KSEA Seattle KIAD Dulles 17:36 UTC 20:30 UTC 2 h 53 min 35 000 ft
20.10.2026 N77543 KSEA Seattle KIAD Dulles 15:49 UTC 16:49 UTC 1 h 0 min 35 000 ft
20.10.2026 N77543 KSEA Seattle KIAD Dulles 15:19 UTC 15:33 UTC 0 h 13 min 0 ft
19.10.2026 N77559 KSEA Seattle KIAD Dulles 17:42 UTC 20:26 UTC 2 h 43 min 37 000 ft
19.10.2026 N77559 KSEA Seattle KIAD Dulles 15:34 UTC 16:51 UTC 1 h 17 min 35 025 ft
18.10.2026 N37561 KSEA Seattle KIAD Dulles 17:30 UTC 20:15 UTC 2 h 46 min 37 000 ft
18.10.2026 N37561 KSEA Seattle KIAD Dulles 15:35 UTC 16:42 UTC 1 h 8 min 35 000 ft
17.10.2026 A12B31 KSEA Seattle KIAD Dulles 17:35 UTC 20:19 UTC 2 h 45 min 35 000 ft
17.10.2026 A12B31 KSEA Seattle KIAD Dulles 15:27 UTC 17:02 UTC 1 h 34 min 35 025 ft
16.10.2026 A12AC3 KSEA Seattle KIAD Dulles 17:32 UTC 20:05 UTC 2 h 33 min 36 000 ft
16.10.2026 A12AC3 KSEA Seattle KIAD Dulles 15:24 UTC 16:42 UTC 1 h 17 min 35 025 ft
15.10.2026 A2BBAC KSEA Seattle KIAD Dulles 17:53 UTC 20:23 UTC 2 h 30 min 35 000 ft
15.10.2026 A2BBAC KSEA Seattle KIAD Dulles 15:32 UTC 17:02 UTC 1 h 30 min 35 000 ft
14.10.2026 N37577 KSEA Seattle KIAD Dulles 17:51 UTC 20:45 UTC 2 h 53 min 37 000 ft
14.10.2026 N37577 KSEA Seattle KIAD Dulles 15:33 UTC 16:59 UTC 1 h 26 min 35 000 ft
13.10.2026 AA7F2B KSEA Seattle KIAD Dulles 17:37 UTC 20:04 UTC 2 h 27 min 35 000 ft
13.10.2026 AA7F2B KSEA Seattle KIAD Dulles 15:32 UTC 16:47 UTC 1 h 15 min 35 000 ft
12.10.2026 A12B2B KSEA Seattle KIAD Dulles 17:34 UTC 20:16 UTC 2 h 42 min 35 000 ft
12.10.2026 A12B2B KSEA Seattle KIAD Dulles 15:32 UTC 17:03 UTC 1 h 31 min 33 000 ft
11.10.2026 AA7AA0 KSEA Seattle KIAD Dulles 17:37 UTC 20:19 UTC 2 h 42 min 36 000 ft
11.10.2026 AA7AA0 KSEA Seattle KIAD Dulles 15:35 UTC 16:50 UTC 1 h 15 min 33 000 ft
10.10.2026 A44540 KSEA Seattle KIAD Dulles 17:42 UTC 20:34 UTC 2 h 52 min 35 025 ft
10.10.2026 A44540 KSEA Seattle KIAD Dulles 15:37 UTC 17:10 UTC 1 h 33 min 35 025 ft
09.10.2026 N37534 KSEA Seattle KIAD Dulles 17:30 UTC 20:15 UTC 2 h 46 min 35 000 ft
09.10.2026 N37534 KSEA Seattle KIAD Dulles 15:32 UTC 16:44 UTC 1 h 12 min 35 025 ft
08.10.2026 A2BBCC KSEA Seattle KIAD Dulles 17:29 UTC 20:02 UTC 2 h 33 min 35 000 ft
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