YAFT.LIVE

UAL1877

GJT → DEN · Boeing 737-800 · United Airlines

Flight

Status
Completed
Arrival confirmed via
ADS-B (callsign change)
Departure
Grand Junction Regional Airport (GJT) — Grand Junction, United States
Departed
2026-09-18 13:08 UTC
Arrival
Denver International Airport (DEN) — Denver, United States
Distance flown
443 km
Straight-line distance
341 km
Approach distance
37 km

Aircraft

Registration
N12218
Type
Boeing 737-800
Seats
166 total (102 Economy, 48 Economy Plus, 16 First)

Altitude & speed

Max altitude
25,025 ft
Max ground speed
513 kt
Tracked
56m · 420 km
Altitude (ft, max 25,025)
013,51427,0270m30m
Ground speed (kt, max 513)
02775540m30m
Altitude (ft, max 25,025)
013,51427,0270m
Ground speed (kt, max 513)
02775540m

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 14:08 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N37413 Boeing 737-900 Completed 458 km
2026-10-01 13:16 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N75425 Boeing 737-900 Completed 400 km
2026-09-30 13:57 UTC UAL1877 DEN → DEN
Denver → Denver
 N81449 Boeing 737-900 Completed ~4 km est. (2 km recorded)
2026-09-30 13:06 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N81449 Boeing 737-900 Completed 407 km
2026-09-29 13:09 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N69885 Boeing 737-900 Completed 404 km
2026-09-28 13:09 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N61887 Boeing 737-900 Completed 413 km
2026-09-27 13:12 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N37471 Boeing 737-900 Completed 414 km
2026-09-26 13:10 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N66841 Boeing 737-900 Completed 414 km
2026-09-25 13:39 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N77431 Boeing 737-900 Completed 416 km
2026-09-24 13:09 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N78540 Boeing 737-800 Completed 408 km
2026-09-23 16:09 UTC UAL1877 DEN → SEA
Denver → Seattle
 N27290 Boeing 737 MAX 8 Completed 1752 km
2026-09-23 13:02 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N37267 Boeing 737-800 Completed 424 km
2026-09-22 16:17 UTC UAL1877 DEN → SEA
Denver → Seattle
 N17272 Boeing 737 MAX 7 Completed 1761 km
2026-09-22 13:07 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N77525 Boeing 737-800 Completed 416 km
2026-09-21 15:59 UTC UAL1877 DEN → SEA
Denver → Seattle
 N57286 Boeing 737 MAX 8 Completed 1736 km
2026-09-21 13:54 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N27263 Boeing 737 MAX 8 Completed 414 km
2026-09-20 16:19 UTC UAL1877 DEN → SEA
Denver → Seattle
 N37305 Boeing 737 MAX 8 Completed 1801 km
2026-09-20 13:10 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N24224 Boeing 737-800 Completed 406 km
2026-09-19 14:07 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N76529 Boeing 737-800 Completed 449 km
2026-09-18 16:18 UTC UAL1877 DEN → SEA
Denver → Seattle
 N57299 Boeing 737 MAX 8 Completed 1970 km
2026-09-18 13:08 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N12218 Boeing 737-800 Completed 443 km
2026-09-17 16:03 UTC UAL1877 DEN → SEA
Denver → Seattle
 N27277 Boeing 737 MAX 8 Completed 1972 km
2026-09-17 13:25 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N87527 Boeing 737-800 Completed 479 km
2026-09-16 15:54 UTC UAL1877 DEN → SEA
Denver → Seattle
 N17344 Boeing 737 MAX 8 Completed 1808 km
2026-09-16 13:04 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N77518 Boeing 737-800 Completed 432 km
2026-09-15 16:02 UTC UAL1877 DEN → SEA
Denver → Seattle
 N37325 Boeing 737 MAX 8 Completed 1826 km
2026-09-15 13:12 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N73259 Boeing 737-800 Completed 420 km
2026-09-14 16:07 UTC UAL1877 DEN → SEA
Denver → Seattle
 N17310 Boeing 737 MAX 8 Completed 1913 km
2026-09-14 13:34 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N34222 Boeing 737-800 Completed 470 km
2026-09-13 16:14 UTC UAL1877 DEN → SEA
Denver → Seattle
 N47343 Boeing 737 MAX 8 Completed 1910 km
2026-09-13 13:05 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N27205 Boeing 737-800 Completed 441 km
2026-09-12 13:48 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N33209 Boeing 737-800 Completed 442 km
2026-09-11 15:55 UTC UAL1877 DEN → SEA
Denver → Seattle
 N17310 Boeing 737 MAX 8 Completed 1902 km
2026-09-11 13:07 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N26232 Boeing 737-800 Completed 447 km
2026-09-10 16:55 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N36207 Boeing 737-800 Completed 425 km
2026-09-09 13:41 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N78285 Boeing 737-800 Completed 420 km
2026-09-07 13:03 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N35271 Boeing 737-800 Completed 409 km
2026-09-06 13:13 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N73256 Boeing 737-800 Completed 425 km
2026-09-05 13:38 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N37277 Boeing 737-800 Completed 446 km
2026-09-04 13:18 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N16217 Boeing 737-800 Completed 425 km
2026-09-03 13:58 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N13227 Boeing 737-800 Completed 446 km
2026-09-02 13:06 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N76526 Boeing 737-800 Completed 410 km
2026-09-01 13:12 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N17233 Boeing 737-800 Completed 430 km
2026-08-31 13:10 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N33203 Boeing 737-800 Completed 576 km
2026-08-30 13:05 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N17358 Boeing 737 MAX 8 Completed 401 km
2026-08-29 13:48 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N18220 Boeing 737-800 Completed 429 km
2026-08-28 13:13 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N77295 Boeing 737-800 Completed 420 km
2026-08-27 13:11 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N45440 Boeing 737-900 Completed 433 km
2026-08-26 14:01 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N78524 Boeing 737-800 Completed 407 km
2026-08-25 13:52 UTC UAL1877 GJT → DEN
Grand Junction → Denver
 N24211 Boeing 737-800 Completed 425 km

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