Historical on-time performance
Raleigh-durham to Phoenix
1,891 miData through Dec 2025Source: US DOT · BTS
Flights on RDU–PHX arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 537 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 timep9030 minCancel0.0%Flights187
- American AirlinesbestOn-time88%Medianon timep9015 minCancel0.3%Flights350
Why flights run late
Delay causes
- Airline42%
- Weather0%
- Air traffic (NAS)18%
- Late aircraft40%
- 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 RDU → PHX
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 73% to 85% on time.
- Mornings85% on time · p90 20 min · 1,081 flights
- Middays84% on time · p90 20 min · 185 flights · limited
- Evenings74% on time · p90 35 min · 234 flights
- Afternoons73% on time · p90 30 min · 133 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 86% on time.
- Mondays86% on time · p90 20 min · 221 flights
- Tuesdays85% on time · p90 15 min · 205 flights
- Fridays84% on time · p90 20 min · 223 flights
- Thursdays81% on time · p90 20 min · 218 flights
- Wednesdays80% on time · p90 30 min · 203 flights
- Saturdays80% on time · p90 25 min · 295 flights
- Sundays78% on time · p90 35 min · 270 flights
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