Historical on-time performance
Boston to Austin
Flights on BOS–AUS arrive on time 71% of the time over the last 12 months.
based on 1,325 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Delta Air LinesOn-time73%Medianon timep9065 minCancel2.6%Flights987
- JetBlue AirwaysOn-time71%Medianon timep9060 minCancel0.4%Flights276
- Southwest AirlinesOn-time55%Median5 minp9090 minCancel0.0%Flights62
Why flights run late
Delay causes
- Airline44%
- Weather2%
- Air traffic (NAS)22%
- Late aircraft31%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline37%
- Weather52%
- Air traffic (NAS)11%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 27 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BOS → AUS
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 82% on time.
- Mornings82% on time · p90 30 min · 1,976 flights
- Middays70% on time · p90 60 min · 1,207 flights
- Evenings61% on time · p90 95 min · 1,007 flights
- Afternoons60% on time · p90 85 min · 489 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 69% to 77% on time.
- Saturdays77% on time · p90 55 min · 552 flights
- Tuesdays75% on time · p90 55 min · 687 flights
- Wednesdays74% on time · p90 45 min · 688 flights
- Mondays71% on time · p90 65 min · 714 flights
- Fridays71% on time · p90 60 min · 714 flights
- Thursdays69% on time · p90 60 min · 709 flights
- Sundays69% on time · p90 85 min · 698 flights
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