UA1660

For travellers

Departure · Chicago (ORD)

Terminal 3 · Gate G12

Scheduled 13:16 · Departed 13:14

Board status: Active

Airborne since 13:34 (ADS-B)

Arrival · Seattle (SEA)

Gate B9 · Baggage belt C4

Scheduled 15:52 · Estimated 15:42 · early

Board status: Now 3:42 PM

In the air, ~7m to go (98% of the route flown)

Board data from ord, sea, updated 15 min ago; times local to each airport.

Flight

Status

In progress

Departure

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

Scheduled departure

2026-10-03 18:16 UTC

Departed

2026-10-03 18:34 UTC

Arrival

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

Scheduled arrival

2026-10-03 22:52 UTC

Estimated arrival

2026-10-03 22:42 UTC

Progress

98% · ~7m remaining

Distance flown

2800 km

Straight-line distance

2762 km

Aircraft

Registration

N73256

Type

Boeing 737-800

Seats

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

Altitude & speed

Max altitude

34,025 ft

Max ground speed

451 kt

Tracked

3h 45m · 2,800 km

Note

still in progress - the track so far

Altitude (ft, max 34,025)

Ground speed (kt, max 451)

Altitude (ft, max 34,025)

Ground speed (kt, max 451)

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
2026-10-03 18:34 UTC	UAL1660	ORD → SEA Chicago → Seattle	N73256	Boeing 737-800	In progress	~2762 km est.
2026-10-02 23:53 UTC	UAL1660	SEA → IAH Seattle → Houston	N37504	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	3069 km
2026-10-02 18:58 UTC	UAL1660	ORD → SEA Chicago → Seattle	N77542	Boeing 737-800	Completed	2877 km
2026-10-02 00:08 UTC	UAL1660	SEA → IAH Seattle → Houston	N17458	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	3545 km
2026-10-01 18:28 UTC	UAL1660	ORD → SEA Chicago → Seattle	N37263	Boeing 737-800	Completed	2891 km
2026-09-30 23:59 UTC	UAL1660	SEA → IAH Seattle → Houston	N37450	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	3366 km
2026-09-30 18:50 UTC	UAL1660	ORD → SEA Chicago → Seattle	N18223	Boeing 737-800	Completed	2903 km
2026-09-29 21:19 UTC	UAL1660	ORD → SEA Chicago → Seattle	N73276	Boeing 737-800	Completed	2911 km
2026-09-28 18:38 UTC	UAL1660	ORD → SEA Chicago → Seattle	N12218	Boeing 737-800	Completed	2943 km
2026-09-27 20:09 UTC	UAL1660	ORD → SEA Chicago → Seattle	N75428	Boeing 737-900	Completed	2925 km
2026-09-26 18:59 UTC	UAL1660	ORD → SEA Chicago → Seattle	N16234	Boeing 737-800	Completed	2922 km
2026-09-25 18:34 UTC	UAL1660	ORD → SEA Chicago → Seattle	N437UA	Airbus A320 233	Completed	2855 km
2026-09-24 18:35 UTC	UAL1660	ORD → SEA Chicago → Seattle	N47281	Boeing 737 MAX 8	Completed	2972 km
2026-09-23 18:55 UTC	UAL1660	ORD → SEA Chicago → Seattle	N75435	Boeing 737-900	Completed	2864 km
2026-09-22 18:56 UTC	UAL1660	ORD → SEA Chicago → Seattle	N39418	Boeing 737-900	Completed	2849 km
2026-09-21 18:56 UTC	UAL1660	ORD → SEA Chicago → Seattle	N75433	Boeing 737-900	Completed	2902 km
2026-09-20 19:34 UTC	UAL1660	ORD → SEA Chicago → Seattle	N881UA	Airbus A319	Completed	2914 km
2026-09-19 19:55 UTC	UAL1660	ORD → SEA Chicago → Seattle	N25201	Boeing 737-800	Completed	2982 km
2026-09-18 18:34 UTC	UAL1660	ORD → SEA Chicago → Seattle	N45440	Boeing 737-900	Completed	2988 km
2026-09-17 20:02 UTC	UAL1660	ORD → SEA Chicago → Seattle	N64809	Boeing 737-900	Completed	3020 km