UA1547

SEA → ORD · Boeing 737-800 · United Airlines

For travellers

Arrival · Chicago (ORD)

Terminal 2 · Gate E3

Scheduled 27 Sep 05:19 · Landed 27 Sep 05:14 · early

Board status: Active

Landed 27 Sep 05:14 (airport data)

Board data from ord, updated 7816 min ago; times local to each airport.

Flight

Status

Completed (landing confirmed by airport data)

Arrival confirmed via

Airport data (confirmed)

Departure

Seattle Tacoma International Airport (SEA) — Seattle, United States

Departed

2026-09-27 06:45 UTC

Arrival

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

Scheduled arrival

2026-09-27 10:19 UTC

Estimated arrival

2026-09-27 10:04 UTC

Distance flown

1206 km

Straight-line distance

2762 km

Aircraft

Registration

N78509

Type

Boeing 737-800

Seats

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

CO2 (EMEP est., total)

63.7 t (527 kg/pax Business, 369 kg/pax Economy)

Altitude & speed

Max altitude

37,025 ft

Max ground speed

527 kt

Tracked

1h 21m · 1,205 km

Altitude (ft, max 37,025)

Ground speed (kt, max 527)

Altitude (ft, max 37,025)

Ground speed (kt, max 527)

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
2026-09-27 06:45 UTC	UAL1547	SEA → ORD Seattle → Chicago	N78509	Boeing 737-800	Completed (landing confirmed by airport data)	~2856 km est. (1206 km recorded)
2026-09-23 15:21 UTC	UAL1547	EWR → SFO Newark → San Francisco	N57868	Boeing 737-300	Completed	4313 km

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