Historical on-time performance
Boston to Pittsburgh
496 miData through Dec 2025Source: US DOT · BTS
Flights on BOS–PIT arrive on time 78% of the time over the last 12 months.
On-time rate78%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.5%of scheduled flights
based on 2,214 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.
- Republic AirwaysOn-time79%Medianon timep9050 minCancel1.5%Flights1,086
- JetBlue AirwaysOn-time77%Medianon timep9050 minCancel1.5%Flights1,128
Why flights run late
Delay causes
- Airline34%
- Weather1%
- Air traffic (NAS)15%
- Late aircraft50%
- 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 BOS → 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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,896 flights
- Middays85% on time · p90 25 min · 938 flights
- Afternoons75% on time · p90 55 min · 1,423 flights
- Overnights71% on time · p90 75 min · 1,266 flights
- Evenings68% on time · p90 65 min · 961 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 86% on time.
- Wednesdays86% on time · p90 25 min · 939 flights
- Tuesdays83% on time · p90 35 min · 903 flights
- Saturdays79% on time · p90 50 min · 705 flights
- Thursdays77% on time · p90 50 min · 995 flights
- Fridays76% on time · p90 55 min · 997 flights
- Mondays76% on time · p90 55 min · 1,001 flights
- Sundays75% on time · p90 60 min · 944 flights
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