Flight UAL2040 UA2040

United Airlines

Last contact 12 hours ago
KBOS
Boston Logan International Airport
Boston
→
KSFO
San Francisco International Airport
San Francisco
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 AB4531 KBOS Boston KSFO San Francisco 23:52 UTC 01:52 UTC 2 h 0 min 34 025 ft
22.10.2026 AB4531 KBOS Boston KSFO San Francisco 23:32 UTC 23:37 UTC 0 h 4 min 0 ft
22.10.2026 AC121A KBOS Boston KSFO San Francisco 00:09 UTC 02:16 UTC 2 h 6 min 38 025 ft
20.10.2026 ABA30B KBOS Boston KSFO San Francisco 23:22 UTC 01:45 UTC 2 h 23 min 38 025 ft
19.10.2026 AB5056 KBOS Boston KSFO San Francisco 23:25 UTC 01:42 UTC 2 h 17 min 36 050 ft
19.10.2026 AC4107 KBOS Boston KSFO San Francisco 00:22 UTC 02:23 UTC 2 h 1 min 36 025 ft
18.10.2026 AC4717 KBOS Boston KSFO San Francisco 00:34 UTC 02:54 UTC 2 h 20 min 36 100 ft
17.10.2026 ABA91B KBOS Boston KSFO San Francisco 00:54 UTC 03:30 UTC 2 h 36 min 32 025 ft
17.10.2026 ABA91B KBOS Boston KSFO San Francisco 00:14 UTC 00:29 UTC 0 h 14 min 0 ft
16.10.2026 ABA91B KBOS Boston KSFO San Francisco 23:43 UTC 23:56 UTC 0 h 13 min 0 ft
16.10.2026 AC121A KBOS Boston KSFO San Francisco 02:02 UTC 04:19 UTC 2 h 17 min 34 025 ft
14.10.2026 AB9B9D KBOS Boston KSFO San Francisco 23:34 UTC 02:03 UTC 2 h 29 min 36 050 ft
13.10.2026 N873UA KBOS Boston KSFO San Francisco 23:30 UTC 01:42 UTC 2 h 12 min 34 050 ft
12.10.2026 ABBBAE KBOS Boston KSFO San Francisco 23:36 UTC 01:52 UTC 2 h 15 min 36 025 ft
12.10.2026 AB2169 KBOS Boston KSFO San Francisco 03:20 UTC 05:39 UTC 2 h 19 min 36 050 ft
11.10.2026 AB2169 KBOS Boston KSFO San Francisco 00:02 UTC 02:27 UTC 2 h 26 min 38 025 ft
10.10.2026 A54C60 KBOS Boston KSFO San Francisco 01:37 UTC 03:46 UTC 2 h 9 min 30 025 ft
09.10.2026 AC2E74 KBOS Boston KSFO San Francisco 01:47 UTC 04:15 UTC 2 h 28 min 31 975 ft
07.10.2026 AB2169 KBOS Boston KSFO San Francisco 23:37 UTC 02:03 UTC 2 h 26 min 34 025 ft
06.10.2026 AB741E KBOS Boston KSFO San Francisco 23:35 UTC 01:45 UTC 2 h 10 min 36 025 ft
05.10.2026 AC6886 KBOS Boston KSFO San Francisco 23:47 UTC 02:13 UTC 2 h 26 min 34 025 ft
05.10.2026 AB942F KBOS Boston KSFO San Francisco 00:15 UTC 02:29 UTC 2 h 15 min 30 025 ft
04.10.2026 AB942F KBOS Boston KSFO San Francisco 23:38 UTC 23:57 UTC 0 h 19 min 0 ft
04.10.2026 AB3DC3 KBOS Boston KSFO San Francisco 00:07 UTC 02:24 UTC 2 h 16 min 33 975 ft
02.10.2026 AB6CB0 KBOS Boston KSFO San Francisco 23:43 UTC 02:17 UTC 2 h 34 min 34 050 ft
01.10.2026 AB68F9 KBOS Boston KSFO San Francisco 23:32 UTC 01:45 UTC 2 h 13 min 36 050 ft
30.09.2026 AB97E6 KBOS Boston KSFO San Francisco 23:21 UTC 01:55 UTC 2 h 34 min 30 025 ft
30.09.2026 AB5056 KBOS Boston KSFO San Francisco 00:21 UTC 02:38 UTC 2 h 17 min 28 025 ft
28.09.2026 ABB440 KBOS Boston KSFO San Francisco 23:38 UTC 01:47 UTC 2 h 9 min 37 975 ft
28.09.2026 AC6886 KBOS Boston KSFO San Francisco 01:12 UTC 03:19 UTC 2 h 8 min 36 025 ft
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