How long is the AM3878 flight?

The timetable allows 2 h 25 min. Salt Lake City to Seattle is 1,107 km (688 mi).

What other flight numbers does AM3878 have?

Also listed as AMX3878 (Aeroméxico's ICAO code) and AM 3878.

AM3878 Flight Status Aeroméxico: Salt Lake City to Seattle (AMX3878)

Aeroméxico AM 3878

Landed On Time

SLC Salt Lake City

Scheduled: 20:40
Actual: 21:00

Gate: A20

Departure: Sun, Nov 8, 2026 · local time MST

Salt Lake City International Airport (SLC)

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SEA Seattle

Scheduled: 22:05
Actual: 21:52
Delay

Gate: A3

Arrival: Sun, Nov 8, 2026 · local time PST

Seattle Tacoma International Airport (SEA)

All SEA Arrivals >

Landed 12h 26m ago 100%

SLC 21:00 SEA 21:52

1,107 km (688 mi) flown

Estimated position based on departure and arrival times, not live tracking. Times are local at each airport.

Add to calendar

Distance: 1107 km / 688 miles · Scheduled Duration: 02:25 · Actual Duration: 01:52

AM 3878 Flight Status & Schedule Aeroméxico Salt Lake City to Seattle

Date	From	To	Departure	Arrival	Status	Details
Nov 08	SLC	SEA	21:00	21:52	Landed	Track >
Nov 07	SLC	SEA	21:25	22:13	Landed	Track >
Nov 06	SLC	SEA	21:45	22:31	Landed Late	Track >
Nov 05	SLC	SEA	21:26	22:20	Landed Late	Track >
Nov 04	SLC	SEA	20:55	21:39	Landed	Track >
Nov 03	SLC	SEA	20:44	21:18	Landed	Track >
Nov 02	SLC	SEA	21:07	21:48	Landed	Track >
Nov 01	SLC	SEA	21:20	22:03	Landed	Track >

Aeroméxico's Salt Lake City–Seattle flight covers 1,107 km (688 mi) and runs six times a week: Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. The timetable allows 2 h 25 min, but the flight usually takes about 1 h 45 min, so it often makes up time. Yesterday it left 20 minutes late and still landed at 21:52, 13 minutes early.

< All Salt Lake City SLC Departures All Seattle SEA Arrivals >

About AM 3878

Route: Salt Lake City International Airport SLC to Seattle Tacoma International Airport SEA
Distance: 1,107 km (688 mi)
Typical flight time: 1 h 45 min
Flies: Tue, Wed, Thu, Fri, Sat, Sun
On time: 6 of the last 8
Average delay when late: 21 min

AM 3878 FAQ

How long is the AM3878 flight?: The timetable allows 2 h 25 min. Salt Lake City to Seattle is 1,107 km (688 mi).
How often is AM3878 late?: 2 of the last 8 flights arrived 15 or more minutes late; when late, by 21 minutes on average.
Which days does AM3878 fly?: Six times a week: Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday, based on the schedule of the last 7 days.
What other flight numbers does AM3878 have?: Also listed as AMX3878 (Aeroméxico's ICAO code) and AM 3878.

AM3878 and Salt Lake City SLC to Seattle SEA Flights

Flight AM3878 is a code-share Aeroméxico flight of the Delta Air Lines operated DL2016.

Other flights departing from Salt Lake City SLC: DL2016, OO3703, OO4446, DL4446

Other flights arriving at Seattle SEA: DL359, DL2613, AS520, DL2016

All flights connecting Salt Lake City SLC to Seattle SEA.