Route
DFW → SEA
Dallas Fort Worth International Airport Seattle–Tacoma International Airport
How punctual is this route?
- On-time arrivals
- 71.1%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,227
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 17%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 74.9% | 429 |
| October 2025 | 68.9% | 442 |
| November 2025 | 73.8% | 412 |
| December 2025 | 60.8% | 453 |
| January 2026 | 72.8% | 400 |
| February 2026 | 77.7% | 342 |
| March 2026 | 73.7% | 387 |
| April 2026 | 77.1% | 413 |
| May 2026 | 69.1% | 483 |
| June 2026 | 62.6% | 490 |
| July 2026 | 73.6% | 502 |
| August 2026 | 71.9% | 474 |
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 | 2,735 | 65.0% | 2.2% | 66 min |
| Alaska Airlines | 1,758 | 77.2% | 1.2% | 58 min |
| Delta Air Lines | 720 | 79.3% | 1.7% | 93 min |
| Frontier Airlines | 14 | 57.1% | 0.0% | 29 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL804
15% late · 365 flights
-
AA757
28% late · 364 flights
-
AA727
45% late · 361 flights
-
AS365
21% late · 359 flights
-
AA767
26% late · 357 flights
-
AS415
15% late · 351 flights
-
AA707
18% late · 303 flights
-
AS543
17% late · 295 flights
-
AA717
26% late · 223 flights
-
AA2009
41% late · 219 flights
-
AA2003
45% late · 207 flights
-
AS550
34% late · 207 flights
-
AS317
28% late · 202 flights
-
DL803
26% late · 190 flights
-
AA1241
38% late · 139 flights
-
AA3075
45% late · 129 flights
-
AA1487
56% late · 81 flights
-
AS322
44% late · 71 flights
-
AA2647
56% late · 65 flights
-
DL595
28% late · 64 flights
-
AS573
18% late · 51 flights
-
AA1774
47% late · 38 flights
-
AS1574
20% late · 36 flights
-
AS584
6% late · 34 flights
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