Historical on-time performance
Baltimore to Austin
1,342 miData through May 2026Source: US DOT · BTS
Flights on BWI–AUS arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 1,285 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time76%Medianon timep9035 minCancel1.8%Flights1,285
Why flights run late
Delay causes
- Airline37%
- Weather6%
- Air traffic (NAS)19%
- Late aircraft38%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline9%
- Weather78%
- Air traffic (NAS)13%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 23 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 BWI → 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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,443 flights
- Middays79% on time · p90 25 min · 716 flights
- Afternoons66% on time · p90 45 min · 650 flights
- Evenings66% on time · p90 60 min · 527 flights
- Overnights57% on time · p90 75 min · 662 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 77% on time.
- Wednesdays77% on time · p90 30 min · 558 flights
- Tuesdays76% on time · p90 35 min · 563 flights
- Thursdays76% on time · p90 30 min · 595 flights
- Saturdays75% on time · p90 40 min · 465 flights
- Mondays74% on time · p90 40 min · 594 flights
- Fridays72% on time · p90 40 min · 602 flights
- Sundays71% on time · p90 55 min · 621 flights
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