Historical on-time performance
Raleigh-durham to Pittsburgh
328 miData through Dec 2025Source: US DOT · BTS
Flights on RDU–PIT arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay35 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 698 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Republic AirwaysOn-time83%Medianon timep9035 minCancel1.4%Flights698
Why flights run late
Delay causes
- Airline14%
- Weather13%
- Air traffic (NAS)8%
- Late aircraft66%
- 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 → PIT
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 — 93% on time.
- Mornings93% on time · p90 5 min · 1,036 flights
- Evenings82% on time · p90 30 min · 1,049 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 92% on time.
- Tuesdays92% on time · p90 10 min · 311 flights
- Mondays89% on time · p90 20 min · 329 flights
- Wednesdays89% on time · p90 15 min · 322 flights
- Saturdays87% on time · p90 10 min · 223 flights
- Thursdays86% on time · p90 15 min · 304 flights
- Sundays86% on time · p90 25 min · 309 flights
- Fridays83% on time · p90 30 min · 327 flights
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