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UAL2859

DEN · Boeing 737 MAX 8 · United Airlines

Flight

Status
Incomplete (signal lost)
Departure
Denver International Airport (DEN) — Denver, United States
Departed
2026-09-21 01:58 UTC
Distance flown
312 km

Aircraft

Registration
N27323
Type
Boeing 737 MAX 8
Seats
166 total (16 Business, 150 Economy)

Altitude & speed

Max altitude
22,025 ft
Max ground speed
410 kt
Tracked
2h 47m · 310 km
Altitude (ft, max 22,025)
011,89423,7870m30m1h 0m1h 30m2h 0m2h 30m
Ground speed (kt, max 410)
02214430m30m1h 0m1h 30m2h 0m2h 30m
Altitude (ft, max 22,025)
011,89423,7870m1h 0m2h 0m
Ground speed (kt, max 410)
02214430m1h 0m2h 0m

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
2026-10-04 01:29 UTC UAL2859 DEN → EGE
Denver → Eagle
 N17327 Boeing 737 MAX 8 In progress ~194 km est.
2026-10-03 02:22 UTC UAL2859 DEN → EGE
Denver → Eagle
 N17301 Boeing 737 MAX 8 Incomplete (signal lost) ~249 km est. (153 km recorded)
2026-10-02 03:06 UTC UAL2859 DEN → EGE
Denver → Eagle
 N27323 Boeing 737 MAX 8 Incomplete (signal lost) ~249 km est. (154 km recorded)
2026-10-01 01:44 UTC UAL2859 DEN → EGE
Denver → Eagle
 N17272 Boeing 737 MAX 7 Incomplete (signal lost) ~239 km est. (148 km recorded)
2026-09-30 01:29 UTC UAL2859 DEN → EGE
Denver → Eagle
 N17320 Boeing 737 MAX 8 Incomplete (signal lost) ~242 km est. (152 km recorded)
2026-09-29 01:41 UTC UAL2859 DEN → EGE
Denver → Eagle
 N17336 Boeing 737 MAX 8 Incomplete (signal lost) ~252 km est. (152 km recorded)
2026-09-28 02:12 UTC UAL2859 DEN → ?
Denver → ?
 N37368 Boeing 737 MAX 8 Incomplete (signal lost) 154 km
2026-09-27 01:56 UTC UAL2859 DEN → ?
Denver → ?
 N17336 Boeing 737 MAX 8 Incomplete (signal lost) 153 km
2026-09-26 06:42 UTC UAL2859 DEN → ?
Denver → ?
 N27258 Boeing 737 MAX 8 Incomplete (signal lost) 148 km
2026-09-25 01:46 UTC UAL2859 DEN → ?
Denver → ?
 N37352 Boeing 737 MAX 8 Incomplete (signal lost) 156 km
2026-09-24 01:20 UTC UAL2859 DEN → ?
Denver → ?
 N27276 Boeing 737 MAX 8 Incomplete (signal lost) 149 km
2026-09-23 22:40 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N47524 Boeing 737 MAX 9 Completed 1044 km
2026-09-23 01:35 UTC UAL2859 DEN → ?
Denver → ?
 N17335 Boeing 737 MAX 8 Incomplete (signal lost) 155 km
2026-09-22 01:55 UTC UAL2859 DEN → ?
Denver → ?
 N37342 Boeing 737 MAX 8 Incomplete (signal lost) 160 km
2026-09-21 23:00 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N39463 Boeing 737-900 Completed 1056 km
2026-09-21 01:58 UTC UAL2859 DEN → ?
Denver → ?
 N27323 Boeing 737 MAX 8 Incomplete (signal lost) 312 km
2026-09-20 22:42 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N17458 Boeing 737 MAX 9 Completed 1047 km
2026-09-20 01:39 UTC UAL2859 DEN → ?
Denver → ?
 N67350 Boeing 737 MAX 8 Incomplete (signal lost) 146 km
2026-09-18 23:21 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N38479 Boeing 737-900 Completed 1092 km
2026-09-18 01:59 UTC UAL2859 DEN → ?
Denver → ?
 N57299 Boeing 737 MAX 8 Incomplete (signal lost) 149 km
2026-09-17 22:36 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N17557 Boeing 737 MAX 9 Completed 1084 km
2026-09-16 22:31 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N38459 Boeing 737-900 Completed 1157 km
2026-09-16 01:41 UTC UAL2859 DEN → ?
Denver → ?
 N17285 Boeing 737 MAX 8 Incomplete (signal lost) 158 km
2026-09-15 01:45 UTC UAL2859 DEN → ?
Denver → ?
 N37325 Boeing 737 MAX 8 Incomplete (signal lost) 164 km
2026-09-14 22:53 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N68453 Boeing 737-900 Completed 1071 km
2026-09-14 01:32 UTC UAL2859 DEN → ?
Denver → ?
 N67350 Boeing 737 MAX 8 Incomplete (signal lost) 160 km
2026-09-13 22:42 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N67812 Boeing 737-900 Completed 1212 km
2026-09-13 01:21 UTC UAL2859 DEN → ?
Denver → ?
 N47343 Boeing 737 MAX 8 Incomplete (signal lost) 148 km
2026-09-11 22:56 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N37427 Boeing 737-900 Completed 1248 km
2026-09-11 01:17 UTC UAL2859 DEN → ?
Denver → ?
 N47284 Boeing 737 MAX 8 Incomplete (signal lost) 146 km
2026-09-10 22:35 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N53442 Boeing 737-900 Completed 1177 km
2026-09-10 01:23 UTC UAL2859 DEN → ?
Denver → ?
 N47284 Boeing 737 MAX 8 Incomplete (signal lost) 178 km
2026-09-09 22:47 UTC UAL2859 PHX → DEN
Phoenix → Denver
 N69830 Boeing 737-900 Completed 1117 km
2026-09-08 01:39 UTC UAL2859 DEN → ?
Denver → ?
 N17296 Boeing 737 MAX 8 Incomplete (signal lost) 148 km
2026-09-07 01:23 UTC UAL2859 DEN → ?
Denver → ?
 N17321 Boeing 737 MAX 8 Incomplete (signal lost) 154 km
2026-09-06 01:28 UTC UAL2859 DEN → ?
Denver → ?
 N17327 Boeing 737 MAX 8 Incomplete (signal lost) 145 km
2026-09-05 02:12 UTC UAL2859 DEN → ?
Denver → ?
 N27271 Boeing 737 MAX 8 Incomplete (signal lost) 153 km
2026-09-04 01:22 UTC UAL2859 DEN → ?
Denver → ?
 N27366 Boeing 737 MAX 8 Incomplete (signal lost) 167 km
2026-09-03 01:20 UTC UAL2859 DEN → ?
Denver → ?
 N27273 Boeing 737 MAX 8 Incomplete (signal lost) 138 km
2026-09-02 01:29 UTC UAL2859 DEN → ?
Denver → ?
 N37352 Boeing 737 MAX 8 Completed 162 km
2026-09-01 02:08 UTC UAL2859 DEN → ?
Denver → ?
 N47370 Boeing 737 MAX 8 Completed 166 km
2026-08-31 01:53 UTC UAL2859 DEN → ?
Denver → ?
 N27274 Boeing 737 MAX 8 Completed 235 km
2026-08-30 01:59 UTC UAL2859 DEN → ?
Denver → ?
 N47280 Boeing 737 MAX 8 Completed 151 km
2026-08-29 01:25 UTC UAL2859 DEN → ?
Denver → ?
 N37372 Boeing 737 MAX 8 Completed 148 km
2026-08-28 01:27 UTC UAL2859 DEN → ?
Denver → ?
 N47330 Boeing 737 MAX 8 Completed 156 km
2026-08-27 04:10 UTC UAL2859 DEN → ?
Denver → ?
 N17356 Boeing 737 MAX 8 Completed 159 km
2026-08-26 01:42 UTC UAL2859 DEN → ?
Denver → ?
 N57286 Boeing 737 MAX 8 Completed 152 km
2026-08-25 05:40 UTC UAL2859 DEN → ?
Denver → ?
 N47343 Boeing 737 MAX 8 Completed 163 km
2026-08-24 02:00 UTC UAL2859 DEN → ?
Denver → ?
 N17361 Boeing 737 MAX 8 Completed 158 km
2026-08-23 01:25 UTC UAL2859 DEN → ?
Denver → ?
 N37313 Boeing 737 MAX 8 Completed 260 km

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