UAL3939

For travellers

Departure · Chicago (ORD)

Terminal 1 · Gate C21

Scheduled 23 Sep 22:10 · Estimated 23 Sep 21:55 · early

Board status: Scheduled

Airborne since 23 Sep 22:10 (ADS-B)

Board data from ord, updated 12678 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Chicago O'Hare International Airport (ORD) — Chicago, United States

Scheduled departure

2026-09-24 03:10 UTC

Departed

2026-09-24 03:10 UTC

Arrival

Denver International Airport (DEN) — Denver, United States

Also flies as

UA3939

Distance flown

1473 km

Straight-line distance

1426 km

Approach distance

50 km

Aircraft

Registration

N14564

Type

Airbus A321 Neo

CO2 (EMEP est., total)

34.9 t (350 kg/pax Business, 119 kg/pax Economy)

Altitude & speed

Max altitude

36,000 ft

Max ground speed

461 kt

Tracked

2h 28m · 1,470 km

Altitude (ft, max 36,000)

Ground speed (kt, max 461)

Altitude (ft, max 36,000)

Ground speed (kt, max 461)

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
2026-09-28 15:29 UTC	UAL3939	EWR → ORD Newark → Chicago	N17017	Boeing 787-10	Completed	1255 km
2026-09-24 03:10 UTC	UAL3939	ORD → DEN Chicago → Denver	N14564	Airbus A321 Neo	Completed	1473 km
2026-09-21 22:40 UTC	UAL3939	RDU → BNA Raleigh/Durham → Nashville	N894UA	Airbus A319	Completed	778 km
2026-09-20 01:47 UTC	UAL3939	DEN → ABQ Denver → Albuquerque	N76288	Boeing 737-800	Completed	764 km
2026-09-17 23:44 UTC	UAL3939	MCO → FLL Orlando → Fort Lauderdale	N36447	Boeing 737-900	Completed	453 km
2026-09-15 08:07 UTC	UAL3939	DEN → DEN Denver → Denver	N17459	Boeing 737 MAX 9	Completed	3 km
2026-09-15 06:06 UTC	UAL3939	SFO → DEN San Francisco → Denver	N17459	Boeing 737 MAX 9	Completed	1751 km
2026-09-10 16:05 UTC	UAL3939	CDG → IAD Paris → Washington, DC	N649UA	Boeing B767 300ER	Completed	6766 km
2026-09-03 13:26 UTC	UAL3939	LGA → ORD New York → Chicago	N12225	Boeing 737-800	Completed	1331 km
2026-08-31 14:09 UTC	UAL3939	IAH → EWR Houston → Newark	N773UA	Boeing 777-200ER	Completed	2622 km
2026-08-28 13:09 UTC	UAL3939	IAD → ? Washington, DC → ?	N66057	Boeing 767-400ER	Incomplete (signal lost)	2058 km
2026-08-21 04:05 UTC	UAL3939	HNL → SFO Honolulu → San Francisco	N27586	Boeing 737 MAX 9	Completed	4273 km
2026-08-18 09:35 UTC	UAL3939	CDG → SFO Paris → San Francisco	N76021	Boeing 777-200ER	Completed	14296 km
2026-08-15 20:15 UTC	UAL3939	MIA → CLE Miami → Cleveland	N37468	Boeing 737-900	Completed	4189 km
2026-08-13 22:43 UTC	UAL3939	IAH → DFW Houston → Dallas-Fort Worth	N480UA	Airbus A320 233	Completed	647 km
2026-08-11 21:28 UTC	UAL3939	SFO → IAH San Francisco → Houston	N13750	Boeing 737-700	Completed	3975 km