Route
SEA → DFW
Seattle–Tacoma International Airport Dallas Fort Worth International Airport
How punctual is this route?
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 1.7%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,228
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 46%
- Late-arriving aircraft 39%
- Air traffic control & airport 13%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.8% | 430 |
| October 2025 | 82.2% | 442 |
| November 2025 | 79.7% | 411 |
| December 2025 | 74.5% | 455 |
| January 2026 | 76.1% | 397 |
| February 2026 | 88.0% | 344 |
| March 2026 | 85.3% | 386 |
| April 2026 | 84.8% | 414 |
| May 2026 | 78.5% | 482 |
| June 2026 | 70.0% | 491 |
| July 2026 | 71.1% | 501 |
| August 2026 | 70.5% | 475 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| American Airlines | 2,736 | 76.6% | 2.2% | 98 min |
| Alaska Airlines | 1,758 | 80.8% | 0.9% | 48 min |
| Delta Air Lines | 720 | 76.6% | 1.5% | 79 min |
| Frontier Airlines | 14 | 42.9% | 0.0% | 30 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AA2748
6% late · 364 flights
-
AA767
32% late · 356 flights
-
DL870
26% late · 356 flights
-
AA1667
12% late · 339 flights
-
AA707
23% late · 331 flights
-
AS414
9% late · 322 flights
-
AS424
21% late · 320 flights
-
AA757
28% late · 295 flights
-
AA717
29% late · 290 flights
-
AS549
29% late · 277 flights
-
DL803
19% late · 255 flights
-
AS426
21% late · 203 flights
-
AS542
21% late · 196 flights
-
AA727
45% late · 165 flights
-
AA2003
40% late · 137 flights
-
AA1209
20% late · 127 flights
-
AS586
10% late · 86 flights
-
AS340
16% late · 83 flights
-
AA3075
30% late · 73 flights
-
AS341
37% late · 70 flights
-
DL595
22% late · 68 flights
-
AA2695
2% late · 44 flights
-
DL2195
32% late · 41 flights
-
AA2429
13% late · 39 flights
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