UAL3873

For travellers

Departure · Chicago (ORD)

Terminal 1 · Gate C27

Scheduled 30 Sep 23:50 · Estimated 30 Sep 23:50

Board status: Scheduled

Airborne since 01 Oct 01:27 (ADS-B)

Board data from ord, updated 3381 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

2026-10-01 04:50 UTC

Departed

2026-10-01 06:27 UTC

Arrival

Mc Connell Air Force Base (IAB) — Wichita, United States

Also flies as

UA3873

Distance flown

978 km

Straight-line distance

934 km

Approach distance

66 km

Aircraft

Registration

N18223

Type

Boeing 737-800

Seats

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

CO2 (EMEP est., total)

24.9 t (206 kg/pax Business, 144 kg/pax Economy)

Altitude & speed

Max altitude

40,000 ft

Max ground speed

430 kt

Tracked

1h 29m · 977 km

Altitude (ft, max 40,000)

Ground speed (kt, max 430)

Altitude (ft, max 40,000)

Ground speed (kt, max 430)

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
2026-10-01 06:27 UTC	UAL3873	ORD → IAB Chicago → Wichita	N18223	Boeing 737-800	Completed	978 km
2026-09-28 01:47 UTC	UAL3873	EWR → MLB Newark → Melbourne	N17410	Boeing 737 MAX 9	Completed	1687 km
2026-09-26 02:42 UTC	UAL3873	IAH → MCO Houston → Orlando	N73291	Boeing 737-800	Completed	1422 km
2026-09-23 02:30 UTC	UAL3873	IAD → ORD Washington, DC → Chicago	N655UA	Boeing B767 300ER	Completed	1045 km
2026-09-21 07:55 UTC	UAL3873	LCQ → ORD Lake City → Chicago	N498UA	Airbus A320 233	Completed	1549 km
2026-09-18 04:18 UTC	UAL3873	GIG → ORD Rio De Janeiro → Chicago	N28912	Boeing 787-8	Completed	8928 km
2026-09-12 16:13 UTC	UAL3873	EWR → PNS Newark → Pensacola	N670UA	Boeing B767 300ER	Completed	1999 km
2026-09-08 07:20 UTC	UAL3873	MLB → ORD Melbourne → Chicago	N37267	Boeing 737-800	Completed	1862 km
2026-09-06 04:42 UTC	UAL3873	EWR → ORD Newark → Chicago	N24729	Boeing 737-700	Completed	1319 km
2026-08-27 04:41 UTC	UAL3873	HND → SFO Ota, Tokyo → San Francisco	N77014	Boeing 777-200ER	Completed	8587 km
2026-08-19 00:07 UTC	UAL3873	DEN → MLB Denver → Melbourne	N822UA	Airbus A319	Completed	3789 km