Route · DFW → SEA · 2020–2025 BTS data
Dallas/Fort Worth to Seattle
The DFW–SEA corridor (Dallas/Fort Worth, TX → Seattle, WA) runs behind the national average, served by 14 carriers across roughly 1,660 miles.
Data updated 2026-06-13
- 74.9%
- On-time
- -4.1 pts
- vs US avg
- 67 min
- Delay when late
- 24,424
- Flights
Cancelled
1.7%
Best Month
Feb 2024 84%
Worst Month
May 2024 57%
Distance
1,660 mi
Carriers
14
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 453 | 176 | 3 | 1 | DL,F9,AS,AA |
| Nov 2025 | 412 | 106 | 8 | 0 | DL,F9,AA,AS |
| Oct 2025 | 442 | 136 | 4 | 1 | AA,AS,DL,F9 |
| Sep 2025 | 429 | 106 | 6 | 1 | DL,AA,AS |
| Aug 2025 | 475 | 157 | 12 | 1 | AA,F9,AS,DL |
| Jul 2025 | 506 | 184 | 8 | 1 | AA,AS,DL,F9 |
| Jun 2025 | 496 | 185 | 12 | 0 | AA,AS,DL,F9 |
| May 2025 | 472 | 158 | 7 | 0 | AA,AS,DL,F9 |
| Apr 2025 | 419 | 110 | 5 | 0 | DL,F9,AA,AS |
| Mar 2025 | 424 | 117 | 5 | 1 | AA,AS,DL,F9 |
| Feb 2025 | 357 | 74 | 1 | 1 | AA,AS,DL,F9 |
| Jan 2025 | 405 | 83 | 15 | 1 | AA,AS,DL,F9 |
| Dec 2024 | 446 | 112 | 8 | 2 | AA,AS,DL,F9,NK |
| Nov 2024 | 423 | 96 | 7 | 3 | AS,DL,F9,AA |
| Oct 2024 | 487 | 85 | 0 | 2 | AS,DL,F9,AA |
| Sep 2024 | 484 | 108 | 2 | 4 | AA,AS,DL,F9 |
| Aug 2024 | 527 | 162 | 4 | 1 | AA,AS,DL,F9 |
| Jul 2024 | 520 | 205 | 9 | 1 | AA,AS,DL,F9 |
| Jun 2024 | 451 | 170 | 5 | 1 | AA,AS,F9 |
| May 2024 | 400 | 172 | 25 | 1 | AA,AS |
| Apr 2024 | 315 | 81 | 5 | 0 | AA,AS |
| Mar 2024 | 333 | 73 | 5 | 0 | AA,AS |
| Feb 2024 | 303 | 48 | 1 | 2 | AA,AS |
| Jan 2024 | 319 | 96 | 21 | 0 | AA,AS |
Cancellation Rate
1.7%
178 of 10,298 flights
Diversion Rate
0.2%
25 of 10,298 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DFW - Dallas/Fort Worth
Full on-time, delay-cause, and seasonal performance for Dallas/Fort Worth, TX.
Origin airport →SEA - Seattle
Full on-time, delay-cause, and seasonal performance for Seattle, WA.
Destination airport →Compare the two airports
See DFW and SEA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DFW–SEA.
Routes with a similar on-time rate
What the Data Says About DFW to SEA
On-time performance on the DFW to SEA pairing (Dallas/Fort Worth to Seattle) trails a chunk of the network: 74.9% of 24,424 tracked flights arrived on schedule, with a 67.1-minute average delay on the ones that ran late. The route spans about 1,660 miles across 14 carriers. Cancellations over the trailing 24 months hit 1.7% (178 of 10,298 flights), with 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 84% on-time, while May 2024 came in at just 57% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from DFW to SEA? ▼
What is the cancellation rate for DFW to SEA? ▼
How far is the flight from DFW to SEA? ▼
When is the best time to fly from DFW to SEA? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.