Historical on-time performance
Raleigh-durham to Pittsburgh
328 miData through May 2026Source: US DOT · BTS
Flights on RDU–PIT arrive on time 81% of the time over the last 12 months.
On-time rate81%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 673 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time81%Medianon timep9040 minCancel1.0%Flights673
Why flights run late
Delay causes
- Airline14%
- Weather11%
- Air traffic (NAS)9%
- Late aircraft66%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather71%
- Air traffic (NAS)29%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 7 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 → PIT
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 — 92% on time.
- Mornings92% on time · p90 5 min · 1,035 flights
- Evenings81% on time · p90 35 min · 1,054 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 91% on time.
- Tuesdays91% on time · p90 10 min · 310 flights
- Mondays88% on time · p90 20 min · 327 flights
- Wednesdays88% on time · p90 15 min · 320 flights
- Saturdays85% on time · p90 20 min · 236 flights
- Thursdays85% on time · p90 20 min · 304 flights
- Sundays84% on time · p90 25 min · 309 flights
- Fridays83% on time · p90 30 min · 329 flights
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