Historical on-time performance
Baltimore to Pittsburgh
210 miData through May 2026Source: US DOT · BTS
Flights on BWI–PIT arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 1,074 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time76%Medianon timep9040 minCancel1.8%Flights1,074
Why flights run late
Delay causes
- Airline29%
- Weather5%
- Air traffic (NAS)15%
- Late aircraft51%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline5%
- Weather74%
- Air traffic (NAS)21%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 19 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 BWI → PIT
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 88% on time.
- Middays88% on time · p90 15 min · 1,036 flights
- Afternoons71% on time · p90 40 min · 665 flights
- Evenings66% on time · p90 70 min · 342 flights
- Overnights64% on time · p90 55 min · 1,083 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 80% on time.
- Tuesdays80% on time · p90 35 min · 462 flights
- Wednesdays76% on time · p90 40 min · 463 flights
- Thursdays76% on time · p90 35 min · 455 flights
- Fridays74% on time · p90 40 min · 458 flights
- Mondays73% on time · p90 40 min · 455 flights
- Saturdays71% on time · p90 50 min · 431 flights
- Sundays67% on time · p90 60 min · 462 flights
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