UAL1390

Flight

Status

Incomplete (signal lost)

Departure

Denver International Airport (DEN) — Denver, United States

Departed

2026-09-15 02:15 UTC

Arrival

Stevens Field (PGO) — Pagosa Springs, United States (predicted)

Distance flown

487 km

Straight-line distance

353 km

Approach distance

6 km

Aircraft

Registration

N77518

Type

Boeing 737-800

Seats

166 total (102 Economy, 48 Economy Plus, 16 First)

Altitude & speed

Max altitude

22,025 ft

Max ground speed

384 kt

Tracked

56m · 471 km

Altitude (ft, max 22,025)

Ground speed (kt, max 384)

Altitude (ft, max 22,025)

Ground speed (kt, max 384)

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

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-03 01:37 UTC	UAL1390	DEN → DRO Denver → Durango	N77544	Boeing 737 MAX 9	Incomplete (signal lost)	399 km
2026-10-02 03:32 UTC	UAL1390	DEN → DRO Denver → Durango	N36280	Boeing 737-800	Incomplete (signal lost)	389 km
2026-10-01 01:24 UTC	UAL1390	DEN → DRO Denver → Durango	N37281	Boeing 737-800	Incomplete (signal lost)	~475 km est. (368 km recorded)
2026-09-30 02:34 UTC	UAL1390	DEN → DRO Denver → Durango	N33266	Boeing 737-800	Incomplete (signal lost)	431 km
2026-09-29 01:45 UTC	UAL1390	DEN → DRO Denver → Durango	N36272	Boeing 737-800	Incomplete (signal lost)	413 km
2026-09-28 02:03 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N78506	Boeing 737-800	Incomplete (signal lost)	440 km
2026-09-27 02:19 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N87513	Boeing 737-800	Completed (landing presumed)	398 km
2026-09-26 01:42 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N76522	Boeing 737-800	Incomplete (signal lost)	437 km
2026-09-25 01:39 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N87531	Boeing 737-800	Incomplete (signal lost)	434 km
2026-09-24 01:35 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N68817	Boeing 737-900	Incomplete (signal lost)	354 km
2026-09-23 01:55 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N33286	Boeing 737-800	Incomplete (signal lost)	~614 km est. (467 km recorded)
2026-09-22 01:37 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N16217	Boeing 737-800	Incomplete (signal lost)	446 km
2026-09-21 01:43 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N77537	Boeing 737-800	Incomplete (signal lost)	395 km
2026-09-20 04:30 UTC	UAL1390	DEN → DRO Denver → Durango	N54241	Boeing 737-800	Completed (landing presumed)	434 km
2026-09-19 05:00 UTC	UAL1390	DEN → DRO Denver → Durango	N76514	Boeing 737-800	Completed (landing presumed)	443 km
2026-09-18 01:40 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N77520	Boeing 737-800	Incomplete (signal lost)	434 km
2026-09-17 03:19 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N36207	Boeing 737-800	Incomplete (signal lost)	446 km
2026-09-16 01:40 UTC	UAL1390	DEN → AMK Denver → Durango	N33266	Boeing 737-800	Completed (landing presumed)	459 km
2026-09-15 02:15 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N77518	Boeing 737-800	Incomplete (signal lost)	~633 km est. (487 km recorded)
2026-09-14 01:40 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N18220	Boeing 737-800	Incomplete (signal lost)	406 km
2026-09-13 01:24 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N33264	Boeing 737-800	Completed (landing presumed)	409 km
2026-09-12 01:50 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N76515	Boeing 737-800	Completed (landing presumed)	411 km
2026-09-11 01:54 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N17245	Boeing 737-800	Incomplete (signal lost)	439 km
2026-09-10 01:40 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N76288	Boeing 737-800	Completed (landing presumed)	387 km
2026-09-08 01:39 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N37287	Boeing 737-800	Incomplete (signal lost)	400 km
2026-09-07 03:42 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N47298	Boeing 737 MAX 8	Incomplete (signal lost)	487 km
2026-09-06 01:37 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N37548	Boeing 737 MAX 9	Completed	417 km
2026-09-05 02:14 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N37567	Boeing 737 MAX 9	Incomplete (signal lost)	~427 km est. (316 km recorded)
2026-09-04 01:48 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N37522	Boeing 737 MAX 9	Completed	405 km
2026-09-03 02:09 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N17594	Boeing 737-900	Completed	424 km
2026-09-02 01:33 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N12238	Boeing 737-800	Completed	459 km
2026-09-01 01:40 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N77296	Boeing 737-800	Completed	482 km
2026-08-31 04:20 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N76514	Boeing 737-800	Completed	410 km
2026-08-30 01:43 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N17430	Boeing 737 MAX 9	Completed	408 km
2026-08-29 01:58 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N33264	Boeing 737-800	Completed	459 km
2026-08-28 01:33 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N78506	Boeing 737-800	Completed	474 km
2026-08-27 04:55 UTC	UAL1390	DEN → DRO Denver → Durango	N76515	Boeing 737-800	Completed	452 km
2026-08-26 02:19 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N17233	Boeing 737-800	Completed	~638 km est. (495 km recorded)
2026-08-25 02:06 UTC	UAL1390	DEN → DRO Denver → Durango	N36272	Boeing 737-800	Completed	444 km
2026-08-24 02:04 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N37255	Boeing 737-800	Completed	~609 km est. (465 km recorded)
2026-08-23 05:36 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N76519	Boeing 737-800	Completed	542 km
2026-08-22 23:45 UTC	UAL1390	RNO → DEN Reno → Denver	N87527	Boeing 737-800	Completed	2249 km
2026-08-22 06:16 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N11206	Boeing 737-800	Completed	531 km
2026-08-21 02:06 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N12238	Boeing 737-800	Completed	467 km
2026-08-20 01:32 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N12238	Boeing 737-800	Completed	~814 km est. (416 km recorded)
2026-08-19 01:51 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N78506	Boeing 737-800	Completed	~626 km est. (488 km recorded)
2026-08-18 02:19 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N73275	Boeing 737-800	Completed	~636 km est. (499 km recorded)
2026-08-17 02:38 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N78511	Boeing 737-800	Completed	~943 km est. (540 km recorded)
2026-08-16 03:25 UTC	UAL1390	DEN → PGO Denver → Pagosa Springs	N77296	Boeing 737-800	Completed	~1335 km est. (558 km recorded)
2026-08-10 20:36 UTC	UAL1390	ORF → ORF Norfolk → Norfolk	N78524	Boeing 737-800	Completed	~2 km est. (0 km recorded)