UAL177

Flight

Status

Completed

Departure

Denver International Airport (DEN) — Denver, United States

Est. departure time

2026-09-02 23:43 UTC (approx.)

Arrival

Leonardo da Vinci–Fiumicino Airport (FCO) — Rome, Italy

Distance flown

9208 km

Straight-line distance

8931 km

Approach distance

78 km

Aircraft

Registration

N27957

Type

Boeing 787-9

Seats

252 total (116 Economy, 88 Economy Plus, 48 Polaris)

Altitude & speed

Max altitude

39,000 ft

Max ground speed

588 kt

Tracked

9h 50m · 9,076 km

Altitude (ft, max 39,000)

Ground speed (kt, max 588)

Altitude (ft, max 39,000)

Ground speed (kt, max 588)

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
2026-10-02 00:16 UTC	UAL177	DEN → FCO Denver → Rome	N27965	Boeing 787-9	Completed	9067 km
2026-10-01 00:11 UTC	UAL177	DEN → FCO Denver → Rome	N29961	Boeing 787-9	Completed	9101 km
2026-09-30 00:07 UTC	UAL177	DEN → FCO Denver → Rome	N19986	Boeing 787-9	Completed	9027 km
2026-09-29 00:16 UTC	UAL177	DEN → FCO Denver → Rome	N26960	Boeing 787-9	Completed	9323 km
2026-09-28 00:23 UTC	UAL177	DEN → FCO Denver → Rome	N29968	Boeing 787-9	Completed	9097 km
2026-09-27 00:19 UTC	UAL177	DEN → FCO Denver → Rome	N26952	Boeing 787-9	Completed	9081 km
2026-09-26 00:55 UTC	UAL177	DEN → FCO Denver → Rome	N19986	Boeing 787-9	Completed	9186 km
2026-09-25 00:02 UTC	UAL177	DEN → FCO Denver → Rome	N26960	Boeing 787-9	Completed	9123 km
2026-09-24 00:00 UTC	UAL177	DEN → FCO Denver → Rome	N27965	Boeing 787-9	Completed	9217 km
2026-09-23 02:50 UTC	UAL177	DEN → FCO Denver → Rome	N36962	Boeing 787-9	Completed	9210 km
2026-09-22 00:19 UTC	UAL177	DEN → FCO Denver → Rome	N27997	Boeing 787-9	Completed	9109 km
2026-09-21 00:05 UTC	UAL177	DEN → FCO Denver → Rome	N30PX	GULFSTREAM AEROSPACE Gulfstream G280	Completed	9090 km
2026-09-20 00:09 UTC	UAL177	DEN → FCO Denver → Rome	N24973	Boeing 787-9	Completed	9384 km
2026-09-19 00:18 UTC	UAL177	DEN → FCO Denver → Rome	N24980	Boeing 787-9	Completed	9345 km
2026-09-17 23:42 UTC	UAL177	DEN → FCO Denver → Rome	N24990	Boeing 787-9	Completed	9655 km
2026-09-17 00:51 UTC	UAL177	DEN → FCO Denver → Rome	N24972	Boeing 787-9	Completed	9302 km
2026-09-16 00:09 UTC	UAL177	DEN → FCO Denver → Rome	N26970	Boeing 787-9	Completed	9328 km
2026-09-15 00:08 UTC	UAL177	DEN → FCO Denver → Rome	N27997	Boeing 787-9	Completed	9403 km
2026-09-14 00:18 UTC	UAL177	DEN → FCO Denver → Rome	N24988	Boeing 787-9	Completed	9296 km
2026-09-13 00:18 UTC	UAL177	DEN → FCO Denver → Rome	N38955	Boeing 787-9	Completed	9287 km
2026-09-12 00:08 UTC	UAL177	DEN → FCO Denver → Rome	N23994	Boeing 787-9	Completed	9398 km
2026-09-11 00:14 UTC	UAL177	DEN → FCO Denver → Rome	N30PX	GULFSTREAM AEROSPACE Gulfstream G280	Completed	9441 km
2026-09-09 23:59 UTC	UAL177	DEN → FCO Denver → Rome	N24980	Boeing 787-9	Completed (landing presumed)	9257 km
2026-09-09 07:24 UTC	UAL177	DEN → FCO Denver → Rome	N19951	Boeing 787-9	Completed	2354 km
2026-09-08 00:08 UTC	UAL177	DEN → FCO Denver → Rome	N30PX	GULFSTREAM AEROSPACE Gulfstream G280	Completed	9649 km
2026-09-07 00:09 UTC	UAL177	DEN → FCO Denver → Rome	N27997	Boeing 787-9	Completed	9462 km
2026-09-06 00:11 UTC	UAL177	DEN → FCO Denver → Rome	N19986	Boeing 787-9	Completed	9311 km
2026-09-05 00:16 UTC	UAL177	DEN → FCO Denver → Rome	N38955	Boeing 787-9	Completed	9221 km
2026-09-04 01:25 UTC	UAL177	DEN → FCO Denver → Rome	N19951	Boeing 787-9	Completed	9335 km
2026-09-03 00:03 UTC	UAL177	DEN → FCO Denver → Rome	N27957	Boeing 787-9	Completed	9208 km
2026-09-02 00:04 UTC	UAL177	DEN → FCO Denver → Rome	N19951	Boeing 787-9	Completed	9392 km
2026-09-01 02:03 UTC	UAL177	DEN → FCO Denver → Rome	N29989	Boeing 787-9	Completed	9231 km
2026-08-31 00:10 UTC	UAL177	DEN → FCO Denver → Rome	N30PX	GULFSTREAM AEROSPACE Gulfstream G280	Completed	9293 km
2026-08-30 00:33 UTC	UAL177	DEN → FCO Denver → Rome	N29989	Boeing 787-9	Completed	9402 km
2026-08-29 00:09 UTC	UAL177	DEN → FCO Denver → Rome	N27997	Boeing 787-9	Completed	9710 km
2026-08-28 00:10 UTC	UAL177	DEN → FCO Denver → Rome	N28987	Boeing 787-9	Completed	9325 km
2026-08-27 08:23 UTC	UAL177	BBS → ? Yateley → ?	—	—	Incomplete (signal lost)	14 km
2026-08-27 00:14 UTC	UAL177	DEN → FCO Denver → Rome	N26966	Boeing 787-9	Completed	9221 km
2026-08-26 00:04 UTC	UAL177	DEN → FCO Denver → Rome	N29961	Boeing 787-9	Completed	9249 km
2026-08-25 00:54 UTC	UAL177	DEN → FCO Denver → Rome	N27957	Boeing 787-9	Completed	9244 km
2026-08-24 01:11 UTC	UAL177	DEN → FCO Denver → Rome	N27997	Boeing 787-9	Completed	9328 km
2026-08-23 00:05 UTC	UAL177	DEN → FCO Denver → Rome	N17963	Boeing 787-9	Completed	11466 km
2026-08-22 01:16 UTC	UAL177	DEN → FCO Denver → Rome	N19986	Boeing 787-9	Completed (landing presumed)	11566 km
2026-08-20 00:02 UTC	UAL177	DEN → FCO Denver → Rome	N26966	Boeing 787-9	Completed	11843 km
2026-08-19 00:08 UTC	UAL177	DEN → FCO Denver → Rome	N29961	Boeing 787-9	Completed	12530 km
2026-08-18 00:03 UTC	UAL177	DEN → FCO Denver → Rome	N27957	Boeing 787-9	Completed	11474 km
2026-08-17 01:06 UTC	UAL177	DEN → FCO Denver → Rome	N27997	Boeing 787-9	Completed	11099 km
2026-08-15 23:46 UTC	UAL177	DEN → FCO Denver → Rome	N22992	Boeing 787-9	Completed	11294 km
2026-08-15 00:02 UTC	UAL177	DEN → FCO Denver → Rome	N27997	Boeing 787-9	Completed	~19955 km est. (11277 km recorded)
2026-08-13 23:44 UTC	UAL177	DEN → FCO Denver → Rome	N28987	Boeing 787-9	Completed	10774 km