Anchorage (ANC) to Seattle (SEA) flights

Alaska Airlines, Delta Air Lines fly nonstop from Ted Stevens Anchorage International Airport to Seattle-Tacoma International Airport, with about 162 flights a week in July 2026. The 1,448-mile flight takes about 3h 27m gate to gate.

From

ANC

Anchorage

Ted Stevens Anchorage International Airport

SEA

Seattle

Seattle-Tacoma International Airport

Distance: 1,448 mi · 2,330 km
Flight time: 3h 27m
Airlines: 2
Seats filled: 79%

Flights a week, July 2026

6,621 flights and 845,111 passengers in 12 months

Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying ANC to SEA

Airline	Flights a week	Aircraft	Passengers (12 months)	Flight time
Alaska Airlines	127	Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800	654,516	3h 26m
Delta Air Lines	35	Airbus A220-300, Boeing 737-800, Boeing 737-900ER	176,533	3h 28m
Hawaiian AirlinesSeasonal or ended	n/a	Airbus A330-200	12,677	3h 29m
Horizon AirSeasonal or ended	n/a	Embraer E175	1,385	3h 25m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

ANC to SEA flight schedule

36 flight numbers flew this route in August 2026, 9 of them almost daily. The first usually leaves at 12:29am and the last at 7:08pm. Times are local and can change; check with the airline before you book.

Flight	Departs	Arrives	Days flown in August 2026	On time (12 months)
AS 1439Alaska Airlines	12:29am	5:00am	13	85%
AS 221Alaska Airlines	12:29am	5:00am	31	96%
AS 1498Alaska Airlines	12:57am	5:28am	18	90%
AS 1380Alaska Airlines	1:29am	6:00am	13	100%
AS 54Alaska Airlines	1:29am	6:00am	18	88%
DL 925Delta Air Lines	1:32am	6:00am	31	91%
AS 98Alaska Airlines	1:57am	6:28am	31	88%
AS 532Alaska Airlines	1:59am	6:30am	13	92%
AS 75Alaska Airlines	2:28am	6:59am	15	86%
AS 1460Alaska Airlines	5:07am	9:38am	13	85%
AS 82Alaska Airlines	6:00am	10:35am	18	88%
AS 268Alaska Airlines	6:07am	10:41am	28	87%
DL 853Delta Air Lines	6:15am	10:55am	31	89%
AS 47Alaska Airlines	7:00am	11:35am	18	81%
AS 765Alaska Airlines	8:00am	12:35pm	15	92%
AS 1462Alaska Airlines	8:07am	12:41pm	13	100%
DL 1656Delta Air Lines	8:15am	12:55pm	31	93%
AS 315Alaska Airlines	9:07am	1:42pm	18	94%
AS 48Alaska Airlines	10:00am	2:34pm	31	90%
AS 1474Alaska Airlines	10:23am	2:57pm	13	85%
DL 2768Delta Air Lines	11:01am	3:42pm	31	95%
AS 1458Alaska Airlines	11:23am	3:57pm	6	n/a
AS 332Alaska Airlines	11:30am	4:04pm	18	94%
AS 363Alaska Airlines	12:15pm	4:49pm	13	92%
AS 1464Alaska Airlines	12:22pm	4:56pm	13	77%
AS 402Alaska Airlines	1:00pm	5:34pm	17	81%
DL 922Delta Air Lines	2:22pm	6:56pm	31	87%
AS 1338Alaska Airlines	2:35pm	7:09pm	13	69%
AS 226Alaska Airlines	2:44pm	7:18pm	18	83%
AS 272Alaska Airlines	3:43pm	8:17pm	18	73%
AS 1492Alaska Airlines	3:59pm	8:35pm	11	64%
AS 233Alaska Airlines	5:09pm	9:43pm	13	69%
AS 544Alaska Airlines	5:23pm	9:58pm	17	70%
AS 1518Alaska Airlines	6:02pm	10:37pm	18	75%
AS 1476Alaska Airlines	6:17pm	10:51pm	10	80%
AS 1333Alaska Airlines	7:08pm	11:43pm	18	70%

Is ANC to SEA on time?

From September 2025 to August 2026, 87% of 6,636 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 12am were the most punctual (92%), those around 5pm the least (77%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (44%).

Airline	Flights	On time	Average delay	Cancelled
Alaska Airlines	5,017	86%	8 min	0.9%
Delta Air Lines	1,608	89%	12 min	0.7%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departure	Flights	On time
12am to 1am	594	92%
1am to 2am	746	91%
2am to 3am	353	85%
5am to 6am	271	90%
6am to 7am	654	88%
7am to 8am	321	86%
8am to 9am	349	91%
9am to 10am	307	93%
10am to 11am	293	89%
11am to 12pm	396	92%
12pm to 1pm	250	89%
1pm to 2pm	339	86%
2pm to 3pm	474	82%
3pm to 4pm	324	78%
4pm to 5pm	254	81%
5pm to 6pm	430	77%
6pm to 7pm	142	82%

Flights by month

Month	Flights	Passengers
August 2025	720	107,793
September 2025	623	83,467
October 2025	547	69,288
November 2025	478	54,066
December 2025	473	62,509
January 2026	463	53,974
February 2026	415	48,889
March 2026	472	60,863
April 2026	461	55,733
May 2026	593	72,082
June 2026	659	76,684
July 2026	718	99,874

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.