- Aircraft
- A21N
- Aircraft filed
- A21N/M-SDE3FGHIRWY/LB1
- Duration
- 5h 45m
- Actual route
- KSEA → KBOS
- Time of departure
- 28 Sep 2026 16:25:41Z
- Time of arrival
- 28 Sep 2026 21:27:56Z
- First seen
- 28 Sep 2026 15:50:26Z
- Ended
- 28 Sep 2026 21:35:56Z
- Distance
- 2239.3 nm
- Maximum altitude
- 37,053 ft
Reconnect legs
Flight legs and reconnect gaps
| Leg | Flight ID | First seen (Z) | Ended (Z) | Reconnect gap |
| 1 | 252935569 | | | — |
| 2 | 255006718 | | | 8m 45s |
Track replay
Loading 1,339 track points…
Decoded track samples
Decoded replay points
| Leg | UTC | Latitude | Longitude | Altitude | Groundspeed | Heading |
| 1 | | 47.44189 | -122.30185 | 441 ft | 0 kt | 40° |
| 1 | | 47.44189 | -122.30185 | 441 ft | 0 kt | 40° |
| 1 | | 47.44189 | -122.30185 | 441 ft | 0 kt | 40° |
| 1 | | 47.44189 | -122.30185 | 441 ft | 0 kt | 40° |
| 1 | | 47.44189 | -122.30185 | 440 ft | 0 kt | 40° |
| 1 | | 47.44189 | -122.30185 | 440 ft | 0 kt | 40° |
| 1 | | 47.44189 | -122.30185 | 440 ft | 0 kt | 40° |
| 1 | | 47.44101 | -122.30247 | 440 ft | 2 kt | 354° |
| 1 | | 47.44050 | -122.30187 | 439 ft | 0 kt | 251° |
| 1 | | 47.44632 | -122.30632 | 439 ft | 17 kt | 0° |
| 1 | | 47.46372 | -122.30729 | 440 ft | 12 kt | 264° |
| 1 | | 47.34005 | -122.30678 | 3,547 ft | 249 kt | 180° |
| 1 | | 47.38312 | -122.03909 | 10,809 ft | 324 kt | 46° |
| 1 | | 47.56228 | -121.66540 | 16,761 ft | 376 kt | 89° |
| 1 | | 47.55273 | -121.09948 | 21,923 ft | 410 kt | 88° |
| 1 | | 47.54155 | -120.53955 | 25,841 ft | 431 kt | 86° |
| 1 | | 47.53053 | -119.90631 | 29,187 ft | 450 kt | 85° |
| 1 | | 47.51772 | -119.29571 | 31,726 ft | 467 kt | 85° |
| 1 | | 47.49963 | -118.61633 | 33,054 ft | 476 kt | 86° |
| 1 | | 47.47916 | -117.98412 | 33,076 ft | 472 kt | 87° |
| 1 | | 47.44599 | -117.31127 | 33,128 ft | 470 kt | 91° |
| 1 | | 47.40315 | -116.68958 | 33,064 ft | 468 kt | 91° |
| 1 | | 47.34985 | -115.97707 | 33,061 ft | 469 kt | 93° |
| 1 | | 47.30005 | -115.36072 | 33,083 ft | 467 kt | 94° |
| 1 | | 47.28881 | -114.69714 | 33,075 ft | 466 kt | 82° |
| 1 | | 47.32644 | -114.07881 | 33,068 ft | 469 kt | 84° |
| 1 | | 47.36343 | -113.40675 | 33,057 ft | 473 kt | 84° |
| 1 | | 47.39442 | -112.77903 | 33,030 ft | 476 kt | 86° |
| 1 | | 47.42413 | -112.09738 | 33,000 ft | 478 kt | 88° |
| 1 | | 47.44819 | -111.46031 | 33,007 ft | 481 kt | 89° |
| 1 | | 47.45002 | -110.77086 | 33,009 ft | 483 kt | 93° |
| 1 | | 47.44656 | -110.12730 | 32,990 ft | 485 kt | 94° |
| 1 | | 47.43874 | -109.43101 | 32,983 ft | 488 kt | 95° |
| 1 | | 47.42667 | -108.73230 | 33,485 ft | 485 kt | 96° |
| 1 | | 47.41182 | -108.09109 | 34,923 ft | 489 kt | 97° |
| 1 | | 47.39152 | -107.39032 | 34,922 ft | 491 kt | 97° |
| 1 | | 47.37036 | -106.73655 | 34,980 ft | 496 kt | 96° |
| 1 | | 47.35256 | -106.02813 | 34,917 ft | 496 kt | 96° |
| 1 | | 47.33183 | -105.36910 | 34,910 ft | 497 kt | 96° |
| 1 | | 47.30517 | -104.65819 | 34,936 ft | 500 kt | 96° |
| 1 | | 47.27404 | -103.94599 | 34,913 ft | 499 kt | 97° |
| 1 | | 47.23864 | -103.23692 | 34,896 ft | 498 kt | 97° |
| 1 | | 47.20191 | -102.58111 | 34,899 ft | 496 kt | 97° |
| 1 | | 47.15838 | -101.87861 | 34,905 ft | 494 kt | 98° |
| 1 | | 47.12511 | -101.22744 | 34,906 ft | 499 kt | 86° |
| 1 | | 47.14128 | -100.52645 | 34,915 ft | 490 kt | 101° |
| 1 | | 47.03097 | -99.91065 | 34,922 ft | 481 kt | 116° |
| 1 | | 46.81744 | -99.30947 | 34,939 ft | 485 kt | 114° |
| 1 | | 46.76347 | -98.67179 | 34,982 ft | 493 kt | 94° |
| 1 | | 46.74195 | -97.97371 | 34,979 ft | 496 kt | 95° |
| 1 | | 46.71785 | -97.32011 | 34,972 ft | 502 kt | 95° |
| 1 | | 46.68372 | -96.61092 | 35,030 ft | 503 kt | 99° |
| 1 | | 46.61621 | -95.96022 | 35,037 ft | 500 kt | 99° |
| 1 | | 46.54033 | -95.26672 | 35,081 ft | 496 kt | 100° |
| 1 | | 46.46664 | -94.62914 | 35,091 ft | 493 kt | 100° |
| 1 | | 46.38387 | -93.94842 | 35,143 ft | 489 kt | 100° |
| 1 | | 46.30400 | -93.32284 | 35,093 ft | 487 kt | 101° |
| 1 | | 46.20806 | -92.60675 | 35,107 ft | 485 kt | 101° |
| 1 | | 46.12172 | -91.99099 | 35,103 ft | 482 kt | 101° |
| 1 | | 46.02568 | -91.33428 | 35,166 ft | 479 kt | 102° |
| 1 | | 45.93327 | -90.73113 | 35,115 ft | 476 kt | 102° |
| 1 | | 45.82993 | -90.08570 | 35,132 ft | 475 kt | 102° |
| 1 | | 45.73108 | -89.49073 | 35,169 ft | 473 kt | 103° |
| 1 | | 45.62156 | -88.85447 | 35,116 ft | 471 kt | 103° |
| 1 | | 45.51710 | -88.26807 | 35,110 ft | 471 kt | 104° |
| 1 | | 45.40141 | -87.63983 | 35,097 ft | 470 kt | 104° |
| 1 | | 45.28234 | -87.01441 | 35,102 ft | 470 kt | 105° |
| 1 | | 45.16896 | -86.43722 | 35,107 ft | 469 kt | 105° |
| 1 | | 45.04356 | -85.81782 | 35,106 ft | 468 kt | 105° |
| 1 | | 44.92422 | -85.24571 | 35,139 ft | 468 kt | 107° |
| 1 | | 44.79286 | -84.63373 | 35,108 ft | 468 kt | 107° |
| 1 | | 44.66778 | -84.06715 | 35,078 ft | 468 kt | 107° |
| 1 | | 44.53027 | -83.46109 | 35,080 ft | 467 kt | 107° |
| 1 | | 44.39983 | -82.90136 | 35,063 ft | 466 kt | 108° |
| 1 | | 44.25859 | -82.31071 | 37,052 ft | 450 kt | 108° |
| 1 | | 44.15260 | -81.76805 | 37,039 ft | 447 kt | 104° |
| 1 | | 44.02973 | -81.14403 | 37,046 ft | 447 kt | 104° |
| 1 | | 43.92079 | -80.60676 | 37,028 ft | 445 kt | 104° |
| 1 | | 43.80091 | -80.03155 | 37,023 ft | 444 kt | 105° |
| 1 | | 43.68685 | -79.50157 | 37,029 ft | 444 kt | 105° |
| 1 | | 43.53952 | -78.94241 | 36,989 ft | 445 kt | 111° |
| 1 | | 43.39305 | -78.42946 | 36,987 ft | 445 kt | 111° |
| 1 | | 43.26713 | -77.86375 | 37,011 ft | 446 kt | 100° |
| 1 | | 43.18713 | -77.32320 | 36,995 ft | 447 kt | 101° |
| 1 | | 43.09784 | -76.74106 | 36,958 ft | 448 kt | 100° |
| 1 | | 43.03624 | -76.19645 | 36,969 ft | 448 kt | 97° |
| 2 | | 43.01142 | -75.97437 | 36,975 ft | 449 kt | 97° |
| 2 | | 42.94878 | -75.42992 | 36,955 ft | 449 kt | 97° |
| 2 | | 42.74414 | -73.44685 | 35,768 ft | 447 kt | 91° |
| 2 | | 42.71630 | -72.90402 | 28,542 ft | 427 kt | 99° |
| 2 | | 42.65445 | -72.38675 | 22,351 ft | 377 kt | 101° |
| 2 | | 42.60202 | -71.94658 | 16,796 ft | 349 kt | 100° |
| 2 | | 42.52925 | -71.49119 | 11,313 ft | 312 kt | 106° |
| 2 | | 42.46105 | -71.15138 | 8,057 ft | 275 kt | 104° |
| 2 | | 42.26539 | -70.95475 | 6,008 ft | 228 kt | 188° |
| 2 | | 42.17576 | -71.10450 | 3,001 ft | 223 kt | 357° |
| 2 | | 42.33060 | -71.02174 | 543 ft | 132 kt | 21° |
| 2 | | 42.37220 | -71.00548 | 23 ft | 20 kt | 199° |
| 2 | | 42.35889 | -71.01611 | 23 ft | 16 kt | 279° |
| 2 | | 42.36335 | -71.02419 | 22 ft | 0 kt | 288° |