Seattle (SEA) to Phoenix (PHX) flights

Alaska Airlines, Delta Air Lines, Envoy Air, Southwest Airlines fly nonstop from Seattle-Tacoma International Airport to Phoenix Sky Harbor International Airport, with about 129 flights a week in July 2026. The 1,107-mile flight takes about 2h 52m gate to gate.

From

SEA

Seattle

Seattle-Tacoma International Airport

PHX

Phoenix

Phoenix Sky Harbor International Airport

Distance: 1,107 mi · 1,782 km
Flight time: 2h 52m
Airlines: 4
Seats filled: 84%

Flights a week, July 2026

7,156 flights and 905,118 passengers in 12 months

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

Airlines flying SEA to PHX

Airline	Flights a week	Aircraft	Passengers (12 months)	Flight time
Alaska Airlines	44	Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800	426,593	2h 51m
Delta Air Lines	34	Boeing 737-800, Airbus A220-300, Boeing 737-900ER	218,579	2h 53m
Envoy Air	27	Embraer E175	48,361	2h 54m
Southwest Airlines	24	Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800	142,665	2h 46m
SkyWest AirlinesSeasonal or ended	n/a	Embraer E175, Bombardier CRJ700, Bombardier CRJ900	26,957	2h 59m
American AirlinesSeasonal or ended	n/a	Airbus A319, Airbus A320-100/200, Airbus A321	21,597	2h 47m
Frontier AirlinesSeasonal or ended	n/a	Airbus A320neo, Airbus A321, Airbus A320-100/200	20,366	2h 55m

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

SEA to PHX flight schedule

35 flight numbers flew this route in August 2026, 13 of them almost daily. The first usually leaves at 5:00am and the last at 9:25pm. 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)
WN 3536Southwest Airlines	5:00am	7:50am	4	n/a
WN 513Southwest Airlines	5:55am	8:45am	4	n/a
AA 3583American Airlines · operated by Envoy Air	6:10am	9:15am	27	89%
WN 3218Southwest Airlines	6:15am	9:00am	12	83%
AA 3792American Airlines · operated by Envoy Air	6:16am	9:18am	4	96%
WN 4784Southwest Airlines	7:10am	10:05am	8	n/a
AS 606Alaska Airlines	7:21am	10:24am	23	87%
DL 2419Delta Air Lines	8:25am	11:17am	31	90%
AS 449Alaska Airlines	9:57am	1:02pm	13	83%
AS 593Alaska Airlines	9:59am	1:01pm	18	79%
AA 4117American Airlines · operated by Envoy Air	11:00am	2:03pm	27	83%
AA 3793American Airlines · operated by Envoy Air	11:07am	2:10pm	4	80%
WN 840Southwest Airlines	11:25am	2:25pm	4	n/a
WN 269Southwest Airlines	11:40am	2:50pm	8	n/a
AS 1371Alaska Airlines	11:50am	2:57pm	18	71%
DL 2449Delta Air Lines	11:50am	3:04pm	31	79%
AS 417Alaska Airlines	11:55am	3:03pm	13	76%
DL 2442Delta Air Lines	1:30pm	4:41pm	31	80%
WN 4515Southwest Airlines	1:35pm	4:40pm	4	n/a
AS 700Alaska Airlines	1:44pm	4:45pm	29	78%
WN 1394Southwest Airlines	1:45pm	4:55pm	8	n/a
WN 898Southwest Airlines	2:05pm	5:10pm	12	17%
WN 760Southwest Airlines	2:40pm	5:35pm	4	n/a
AA 2524American Airlines	3:08pm	6:08pm	27	63%
AA 3440American Airlines · operated by Envoy Air	3:20pm	6:21pm	4	71%
AS 746Alaska Airlines	4:48pm	7:48pm	13	46%
AS 744Alaska Airlines	4:55pm	7:53pm	31	75%
DL 2698Delta Air Lines	6:00pm	9:01pm	31	74%
AA 4035American Airlines · operated by Envoy Air	6:15pm	9:18pm	4	73%
AA 3934American Airlines · operated by Envoy Air	6:17pm	9:20pm	4	69%
AS 632Alaska Airlines	7:55pm	10:53pm	31	74%
WN 4083Southwest Airlines	8:20pm	11:15pm	12	17%
DL 2447Delta Air Lines	8:30pm	11:33pm	31	79%
AS 644Alaska Airlines	8:50pm	11:49pm	26	70%
WN 3537Southwest Airlines	9:25pm	12:20am	4	n/a

Is SEA to PHX on time?

From September 2025 to August 2026, 78% of 7,205 flights arrived within 15 minutes of schedule and 0.7% were cancelled. Flights leaving around 7am were the most punctual (91%), those around 7pm the least (70%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (43%).

Airline	Flights	On time	Average delay	Cancelled
Alaska Airlines	2,889	79%	10 min	0.7%
Delta Air Lines	1,768	81%	14 min	1%
American Airlines	1,390	83%	14 min	0.2%
Southwest Airlines	1,042	65%	19 min	0.8%
Frontier Airlines	116	75%	39 min	5.2%

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
6am to 7am	507	90%
7am to 8am	631	91%
8am to 9am	348	87%
9am to 10am	510	79%
10am to 11am	273	73%
11am to 12pm	1,059	76%
1pm to 2pm	537	75%
2pm to 3pm	367	78%
3pm to 4pm	619	74%
4pm to 5pm	228	72%
5pm to 6pm	303	68%
6pm to 7pm	593	75%
7pm to 8pm	416	70%
8pm to 9pm	503	74%

Flights by month

Month	Flights	Passengers
August 2025	576	77,402
September 2025	533	69,565
October 2025	597	79,466
November 2025	586	70,833
December 2025	627	77,961
January 2026	581	69,903
February 2026	562	73,459
March 2026	669	88,428
April 2026	664	81,430
May 2026	621	71,518
June 2026	568	71,801
July 2026	573	73,488

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