Historical on-time performance
Austin to Raleigh-durham
1,162 miData through Dec 2025Source: US DOT · BTS
Flights on AUS–RDU arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 747 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-time79%Medianon timep9030 minCancel0.2%Flights524
- SkyWest AirlinesOn-time78%Medianon timep9055 minCancel0.9%Flights223
Why flights run late
Delay causes
- Airline43%
- Weather13%
- Air traffic (NAS)9%
- Late aircraft35%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly AUS → RDU
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 66% to 85% on time.
- Mornings85% on time · p90 20 min · 1,054 flights
- Middays83% on time · p90 30 min · 769 flights
- Overnights71% on time · p90 45 min · 135 flights · limited
- Evenings67% on time · p90 80 min · 932 flights
- Afternoons66% on time · p90 50 min · 811 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 80% on time.
- Saturdays80% on time · p90 40 min · 374 flights
- Wednesdays79% on time · p90 40 min · 518 flights
- Tuesdays77% on time · p90 35 min · 516 flights
- Thursdays74% on time · p90 50 min · 575 flights
- Sundays74% on time · p90 50 min · 555 flights
- Fridays74% on time · p90 65 min · 583 flights
- Mondays72% on time · p90 45 min · 580 flights
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