Historical on-time performance
Raleigh-durham to Austin
1,162 miData through Dec 2025Source: US DOT · BTS
Flights on RDU–AUS arrive on time 82% of the time over the last 12 months.
On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 746 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.
- Southwest AirlinesOn-time80%Medianon timep9035 minCancel0.4%Flights523
- SkyWest AirlinesOn-time86%Medianon timep9020 minCancel0.9%Flights223
Why flights run late
Delay causes
- Airline33%
- Weather7%
- Air traffic (NAS)26%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
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 · 1,664 flights
- Middays76% on time · p90 35 min · 1,008 flights
- Afternoons70% on time · p90 45 min · 467 flights
- Evenings66% on time · p90 60 min · 563 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 73% to 84% on time.
- Tuesdays84% on time · p90 25 min · 517 flights
- Thursdays81% on time · p90 30 min · 575 flights
- Saturdays79% on time · p90 25 min · 374 flights
- Mondays78% on time · p90 35 min · 581 flights
- Wednesdays77% on time · p90 35 min · 518 flights
- Fridays77% on time · p90 45 min · 583 flights
- Sundays73% on time · p90 45 min · 554 flights
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