AC4856

For travellers

Departure · Chicago (ORD)

Terminal 1 · Gate C24

Scheduled 01 Oct 07:00 · Departed 01 Oct 12:19 · +319 min

Board status: Active

Airborne since 01 Oct 13:14 (ADS-B)

Arrival · Dallas-Fort Worth (DFW)

Terminal E · Gate E6 · Baggage belt E5

Scheduled 01 Oct 09:41 · Landed 01 Oct 16:03 · +382 min

Board status: Landed

Landed 01 Oct 16:02 (ADS-B)

Board data from dfw, ord, updated 1583 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

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

Scheduled departure

2026-10-01 12:00 UTC

Departed

2026-10-01 18:14 UTC

Arrival

Dallas Fort Worth International Airport (DFW) — Dallas-Fort Worth, United States

Scheduled arrival

2026-10-01 14:41 UTC

Estimated arrival

2026-10-01 20:58 UTC

Also flies as

UA539

Codeshares

AC4856

Distance flown

1758 km

Straight-line distance

1291 km

Approach distance

94 km

Aircraft

Registration

N15710

Type

Boeing 737-700

Seats

126 total (78 Economy, 36 Economy Plus, 12 Business)

CO2 (EMEP est., total)

29.6 t (306 kg/pax Business, 228 kg/pax Economy)

Altitude & speed

Max altitude

40,025 ft

Max ground speed

464 kt

Tracked

2h 47m · 1,748 km

Altitude (ft, max 40,025)

Ground speed (kt, max 464)

Altitude (ft, max 40,025)

Ground speed (kt, max 464)

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 18:14 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N15710	Boeing 737-700	Completed	1758 km
2026-09-30 12:20 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N15751	Boeing 737-700	Completed	1335 km
2026-09-29 12:19 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N13718	Boeing 737-700	Completed	1347 km
2026-09-28 12:29 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N13718	Boeing 737-700	Completed	1660 km
2026-09-27 12:38 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N17753	Boeing 737-700	Completed	1465 km
2026-09-26 12:21 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N17363	Boeing 737 MAX 8	Completed	1335 km
2026-09-25 12:17 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N21723	Boeing 737-700	Completed	1348 km
2026-09-24 12:32 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N36476	Boeing 737-900	Completed	1386 km
2026-09-23 12:30 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N37447	Boeing 737 MAX 9	Completed	1421 km
2026-09-15 12:54 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N17421	Boeing 737 MAX 9	Completed	1423 km
2026-09-13 12:39 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N17422	Boeing 737 MAX 9	Completed	1436 km
2026-09-07 12:40 UTC	UAL539	ORD → DFW Chicago → Dallas-Fort Worth	N57451	Boeing 737 MAX 9	Completed	1394 km