Flight UAL503 UA503

United Airlines · N27274 · B38M

Last contact 4 hours ago
KBOS
Boston Logan International Airport
Boston
→
KORD
Chicago O'Hare International Airport
Chicago
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.

Aircraft page

30-day history

Date Aircraft From To First contact Last On air Max altitude
30.10.2026 N27274 KBOS Boston KORD Chicago 21:07 UTC 23:41 UTC 2 h 34 min 33 000 ft
30.10.2026 A12A9D KBOS Boston KORD Chicago 14:34 UTC 17:32 UTC 2 h 58 min 36 000 ft
30.10.2026 A2C35B KBOS Boston KORD Chicago 13:02 UTC 14:14 UTC 1 h 12 min 21 000 ft
29.10.2026 N17317 KBOS Boston KORD Chicago 21:09 UTC 23:30 UTC 2 h 22 min 37 000 ft
29.10.2026 N17317 KBOS Boston KORD Chicago 20:43 UTC 20:43 UTC 0 h 0 min 0 ft
29.10.2026 N17279 KBOS Boston KORD Chicago 14:29 UTC 16:48 UTC 2 h 18 min 36 000 ft
29.10.2026 A4455E KBOS Boston KORD Chicago 11:54 UTC 13:03 UTC 1 h 9 min 21 025 ft
28.10.2026 A9DCE9 KBOS Boston KORD Chicago 21:17 UTC 23:47 UTC 2 h 30 min 35 000 ft
27.10.2026 N27271 KBOS Boston KORD Chicago 20:42 UTC 23:36 UTC 2 h 54 min 39 000 ft
27.10.2026 AA4C42 KBOS Boston KORD Chicago 14:29 UTC 17:06 UTC 2 h 37 min 38 000 ft
27.10.2026 A4455E KBOS Boston KORD Chicago 11:57 UTC 12:56 UTC 0 h 58 min 21 000 ft
26.10.2026 N27270 KBOS Boston KORD Chicago 21:01 UTC 23:35 UTC 2 h 34 min 37 000 ft
26.10.2026 A92361 KBOS Boston KORD Chicago 14:22 UTC 16:55 UTC 2 h 33 min 36 000 ft
26.10.2026 A94BFF KBOS Boston KORD Chicago 11:57 UTC 13:06 UTC 1 h 8 min 21 000 ft
25.10.2026 N37318 KBOS Boston KORD Chicago 22:12 UTC 00:38 UTC 2 h 26 min 37 000 ft
25.10.2026 A0B7FB KBOS Boston KORD Chicago 14:34 UTC 16:48 UTC 2 h 13 min 34 025 ft
25.10.2026 AAA244 KBOS Boston KORD Chicago 12:06 UTC 13:00 UTC 0 h 54 min 21 025 ft
24.10.2026 A1239C KBOS Boston KORD Chicago 14:34 UTC 16:58 UTC 2 h 24 min 38 000 ft
23.10.2026 A1235B KBOS Boston KORD Chicago 14:40 UTC 17:04 UTC 2 h 24 min 36 000 ft
22.10.2026 A3EFA2 KBOS Boston KORD Chicago 14:44 UTC 17:09 UTC 2 h 24 min 36 000 ft
21.10.2026 N17574 KBOS Boston KORD Chicago 14:42 UTC 16:52 UTC 2 h 9 min 32 000 ft
20.10.2026 N17264 KBOS Boston KORD Chicago 14:37 UTC 17:01 UTC 2 h 24 min 38 000 ft
19.10.2026 N27256 KBOS Boston KORD Chicago 14:52 UTC 17:12 UTC 2 h 19 min 34 000 ft
18.10.2026 N27256 KBOS Boston KORD Chicago 14:57 UTC 17:08 UTC 2 h 10 min 36 000 ft
17.10.2026 A57796 KBOS Boston KORD Chicago 16:17 UTC 18:36 UTC 2 h 19 min 36 025 ft
16.10.2026 AC0BC4 KBOS Boston KORD Chicago 14:40 UTC 17:19 UTC 2 h 39 min 34 000 ft
15.10.2026 A923A9 KBOS Boston KORD Chicago 14:48 UTC 17:28 UTC 2 h 39 min 32 025 ft
14.10.2026 AA7E7B KBOS Boston KORD Chicago 14:39 UTC 17:41 UTC 3 h 2 min 36 025 ft
13.10.2026 A3A0CF KBOS Boston KORD Chicago 14:37 UTC 16:55 UTC 2 h 18 min 36 000 ft
12.10.2026 N17574 KBOS Boston KORD Chicago 14:47 UTC 16:55 UTC 2 h 7 min 36 000 ft
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