Delta Air Lines AUS to SEA on-time performance
Delta Air Lines nonstop flights from Austin to Seattle · Aug 2025 – Jul 2026
On-time arrivals
85%
arrived < 15 min late
Cancelled
1.1%
10 flights
Avg arrival delay
14 min
86 min when late
Rank on route
#1 of 3
route average 82% on time
Key facts
- Delta Air Lines flights on AUS to SEA arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 6% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (47%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)47%
- Late-arriving aircraft38%
- Air traffic control & airport congestion9%
- Extreme weather6%
- Security0%
Other airlines on AUS to SEA
- Alaska Airlines82% on time · 10 min avg delay
- Southwest Airlines51% on time · 19 min avg delay
Full AUS to SEA comparison →
Delta Air Lines on-time record across all routes →
943 Delta Air Lines flights tracked on this route; 10 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.