Alaska Airlines DFW to SEA on-time performance
Alaska Airlines nonstop flights from Dallas/Fort Worth to Seattle · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
1.2%
21 flights
Avg arrival delay
15 min
57 min when late
Rank on route
#2 of 4
route average 71% on time
Key facts
- Alaska Airlines flights on DFW to SEA arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 1.2% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was late-arriving aircraft (39%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft39%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)23%
- Extreme weather11%
- Security1%
Other airlines on DFW to SEA
- American Airlines65% on time · 24 min avg delay
- Delta Air Lines79% on time · 21 min avg delay
- Frontier Airlines65% on time · 10 min avg delay
Full DFW to SEA comparison →
Alaska Airlines on-time record across all routes →
1,756 Alaska Airlines flights tracked on this route; 21 cancelled, 2 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.