Route · SEA → PHX · 2020–2025 BTS data
Seattle to Phoenix
The SEA–PHX corridor (Seattle, WA → Phoenix, AZ) runs ahead of the national average, served by 43 carriers across roughly 1,107 miles.
Data updated 2026-06-13
- 82.3%
- On-time
- +3.3 pts
- vs US avg
- 62 min
- Delay when late
- 38,549
- Flights
Cancelled
0.7%
Best Month
Jan 2025 87%
Worst Month
Aug 2024 69%
Distance
1,107 mi
Carriers
43
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 628 | 174 | 2 | 0 | DL,WN,F9,AS,AA,MQ,OO |
| Nov 2025 | 596 | 170 | 10 | 2 | OO,DL,F9,MQ,AA,AS,WN |
| Oct 2025 | 599 | 122 | 3 | 1 | AA,AS,DL,OO,WN,F9,MQ |
| Sep 2025 | 545 | 84 | 4 | 8 | MQ,WN,OO,DL,F9,AS |
| Aug 2025 | 585 | 140 | 2 | 7 | AA,OO,WN,F9,MQ,AS,DL |
| Jul 2025 | 621 | 162 | 3 | 1 | AA,AS,OO,WN,DL,F9,MQ |
| Jun 2025 | 618 | 146 | 1 | 2 | AA,AS,DL,OO,WN,F9,MQ |
| May 2025 | 650 | 124 | 0 | 2 | AS,DL,OO,WN,F9 |
| Apr 2025 | 664 | 99 | 0 | 0 | DL,F9,OO,WN,AS |
| Mar 2025 | 683 | 128 | 2 | 0 | AS,DL,OO,WN,F9,MQ |
| Feb 2025 | 573 | 116 | 7 | 0 | AS,OO,WN,DL,F9,MQ |
| Jan 2025 | 597 | 79 | 0 | 1 | AS,OO,WN,DL,F9,MQ |
| Dec 2024 | 609 | 125 | 2 | 0 | AA,AS,DL,F9,OO,WN |
| Nov 2024 | 579 | 94 | 1 | 0 | OO,MQ,WN,AS,DL,F9 |
| Oct 2024 | 598 | 92 | 1 | 0 | MQ,AS,OO,WN,DL,F9 |
| Sep 2024 | 569 | 109 | 0 | 2 | WN,OO,AS,DL,F9,MQ |
| Aug 2024 | 588 | 181 | 3 | 0 | AS,DL,F9,MQ,WN,OO |
| Jul 2024 | 613 | 164 | 9 | 2 | AA,AS,DL,F9,MQ,OO,WN |
| Jun 2024 | 593 | 150 | 1 | 0 | AA,AS,DL,F9,MQ,OO,WN |
| May 2024 | 607 | 104 | 0 | 0 | AS,DL,F9,MQ,OO,WN |
| Apr 2024 | 633 | 119 | 1 | 0 | AS,DL,F9,MQ,OO,WN |
| Mar 2024 | 671 | 131 | 1 | 0 | AS,DL,F9,MQ,OO,WN |
| Feb 2024 | 573 | 78 | 0 | 0 | AS,DL,F9,MQ,OO,WN |
| Jan 2024 | 543 | 117 | 43 | 0 | AA,AS,DL,F9,MQ,WN,OO |
Cancellation Rate
0.7%
96 of 14,535 flights
Diversion Rate
0.2%
28 of 14,535 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Origin airport →PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
Destination airport →Compare the two airports
See SEA and PHX side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SEA–PHX.
Routes with a similar on-time rate
What the Data Says About SEA to PHX
Bureau of Transportation Statistics records show Seattle to Phoenix (SEA to PHX) running a 82.3% on-time rate over 38,549 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 62.0 minutes. The 1,107-mile corridor is served by 43 carriers, and over the last 24 months 0.7% of 14,535 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 87% on-time, while Aug 2024 came in at just 69% - a 18-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.