Alaska Airlines SEA to DFW on-time performance
Alaska Airlines nonstop flights from Seattle to Dallas/Fort Worth · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.9%
15 flights
Avg arrival delay
10 min
44 min when late
Rank on route
#1 of 4
route average 78% on time
Key facts
- Alaska Airlines flights on SEA to DFW arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (38%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)38%
- Air traffic control & airport congestion30%
- Late-arriving aircraft24%
- Extreme weather8%
- Security1%
Other airlines on SEA to DFW
- American Airlines78% on time · 22 min avg delay
- Delta Air Lines76% on time · 21 min avg delay
- Frontier Airlines50% on time · 16 min avg delay
Full SEA to DFW comparison →
Alaska Airlines on-time record across all routes →
1,756 Alaska Airlines flights tracked on this route; 15 cancelled, 14 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.