Delta Air Lines BOS to AUS on-time performance
Delta Air Lines nonstop flights from Boston to Austin · Aug 2025 – Jul 2026
On-time arrivals
74%
arrived < 15 min late
Cancelled
2.4%
24 flights
Avg arrival delay
25 min
93 min when late
Rank on route
#2 of 3
route average 72% on time
Key facts
- Delta Air Lines flights on BOS to AUS arrived on time 74% of the time in Aug 2025 – Jul 2026.
- 2.4% were cancelled, and 11% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 72% 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 aircraft31%
- Air traffic control & airport congestion19%
- Extreme weather3%
- Security0%
Other airlines on BOS to AUS
- JetBlue74% on time · 17 min avg delay
- Southwest Airlines63% on time · 22 min avg delay
Full BOS to AUS comparison →
Delta Air Lines on-time record across all routes →
996 Delta Air Lines flights tracked on this route; 24 cancelled, 1 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.