Historical on-time performance
Raleigh-durham to Austin
1,162 miData through May 2026Source: US DOT · BTS
Flights on RDU–AUS arrive on time 79% of the time over the last 12 months.
On-time rate79%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights
based on 512 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time79%Medianon timep9035 minCancel0.6%Flights512
Why flights run late
Delay causes
- Airline29%
- Weather3%
- Air traffic (NAS)23%
- Late aircraft43%
- Security3%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline33%
- Weather67%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 3 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 RDU → 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 — 86% on time.
- Mornings86% on time · p90 20 min · 1,438 flights
- Middays75% on time · p90 40 min · 812 flights
- Afternoons71% on time · p90 45 min · 546 flights
- Evenings66% on time · p90 60 min · 537 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 84% on time.
- Tuesdays84% on time · p90 25 min · 448 flights
- Thursdays79% on time · p90 35 min · 526 flights
- Saturdays79% on time · p90 30 min · 354 flights
- Wednesdays77% on time · p90 35 min · 448 flights
- Fridays76% on time · p90 55 min · 536 flights
- Mondays76% on time · p90 40 min · 527 flights
- Sundays72% on time · p90 45 min · 494 flights
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