Flight UAL577 UA577

United Airlines

Last contact 17 hours ago
KSTL
St. Louis Lambert International Airport
St Louis
→
KBOS
Boston Logan International Airport
Boston
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 A4423A KSTL St Louis KBOS Boston 17:08 UTC 18:21 UTC 1 h 13 min 21 000 ft
22.10.2026 AC121A KSTL St Louis KBOS Boston 12:27 UTC 14:49 UTC 2 h 22 min 37 025 ft
21.10.2026 A5CF82 KSTL St Louis KBOS Boston 18:34 UTC 19:24 UTC 0 h 50 min 21 025 ft
21.10.2026 A5CF82 KSTL St Louis KBOS Boston 17:11 UTC 17:17 UTC 0 h 7 min 0 ft
21.10.2026 ABA30B KSTL St Louis KBOS Boston 12:19 UTC 14:47 UTC 2 h 28 min 39 025 ft
20.10.2026 N17328 KSTL St Louis KBOS Boston 17:07 UTC 17:59 UTC 0 h 52 min 21 000 ft
20.10.2026 AB5056 KSTL St Louis KBOS Boston 12:20 UTC 14:38 UTC 2 h 19 min 39 000 ft
19.10.2026 N17312 KSTL St Louis KBOS Boston 17:07 UTC 18:13 UTC 1 h 6 min 21 000 ft
19.10.2026 AC4107 KSTL St Louis KBOS Boston 12:32 UTC 14:55 UTC 2 h 23 min 39 025 ft
18.10.2026 N47330 KSTL St Louis KBOS Boston 17:27 UTC 18:13 UTC 0 h 46 min 21 000 ft
18.10.2026 AC4717 KSTL St Louis KBOS Boston 12:26 UTC 14:59 UTC 2 h 33 min 39 050 ft
17.10.2026 ABA91B KSTL St Louis KBOS Boston 13:07 UTC 15:23 UTC 2 h 16 min 35 000 ft
17.10.2026 ABA91B KSTL St Louis KBOS Boston 12:22 UTC 12:31 UTC 0 h 8 min 0 ft
16.10.2026 N17265 KSTL St Louis KBOS Boston 17:42 UTC 18:50 UTC 1 h 8 min 21 025 ft
16.10.2026 N17265 KSTL St Louis KBOS Boston 17:07 UTC 17:15 UTC 0 h 8 min 0 ft
16.10.2026 AC121A KSTL St Louis KBOS Boston 12:55 UTC 14:28 UTC 1 h 34 min 37 025 ft
15.10.2026 A1277B KSTL St Louis KBOS Boston 17:16 UTC 18:10 UTC 0 h 54 min 21 025 ft
15.10.2026 AB9B9D KSTL St Louis KBOS Boston 12:22 UTC 14:36 UTC 2 h 14 min 37 025 ft
14.10.2026 N47281 KSTL St Louis KBOS Boston 17:12 UTC 18:17 UTC 1 h 6 min 21 000 ft
14.10.2026 N873UA KSTL St Louis KBOS Boston 12:29 UTC 14:30 UTC 2 h 0 min 37 075 ft
13.10.2026 N27276 KSTL St Louis KBOS Boston 18:47 UTC 20:24 UTC 1 h 37 min 21 000 ft
13.10.2026 ABBBAE KSTL St Louis KBOS Boston 12:27 UTC 14:38 UTC 2 h 11 min 39 050 ft
12.10.2026 A44258 KSTL St Louis KBOS Boston 18:12 UTC 18:50 UTC 0 h 38 min 21 000 ft
12.10.2026 A44258 KSTL St Louis KBOS Boston 17:37 UTC 17:43 UTC 0 h 6 min 0 ft
12.10.2026 AB2169 KSTL St Louis KBOS Boston 12:32 UTC 14:54 UTC 2 h 22 min 37 050 ft
11.10.2026 N27334 KSTL St Louis KBOS Boston 17:49 UTC 18:38 UTC 0 h 49 min 21 025 ft
11.10.2026 N27334 KSTL St Louis KBOS Boston 17:12 UTC 17:18 UTC 0 h 5 min 0 ft
11.10.2026 AB2169 KSTL St Louis KBOS Boston 12:32 UTC 14:41 UTC 2 h 9 min 39 025 ft
10.10.2026 A54C60 KSTL St Louis KBOS Boston 12:34 UTC 14:47 UTC 2 h 13 min 27 025 ft
09.10.2026 N17254 KSTL St Louis KBOS Boston 17:55 UTC 18:37 UTC 0 h 42 min 21 025 ft
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