Historical on-time performance
Baltimore to Pittsburgh
210 miData through Dec 2025Source: 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 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 1,051 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 timep9050 minCancel1.4%Flights1,051
Why flights run late
Delay causes
- Airline36%
- Weather5%
- Air traffic (NAS)12%
- Late aircraft47%
- 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 BWI → PIT
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 61% to 90% on time.
- Mornings90% on time · p90 10 min · 81 flights · limited
- Middays89% on time · p90 15 min · 1,023 flights
- Afternoons72% on time · p90 40 min · 674 flights
- Overnights63% on time · p90 55 min · 1,084 flights
- Evenings61% on time · p90 70 min · 308 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 68% to 80% on time.
- Tuesdays80% on time · p90 35 min · 465 flights
- Wednesdays77% on time · p90 35 min · 465 flights
- Thursdays75% on time · p90 40 min · 452 flights
- Fridays73% on time · p90 40 min · 455 flights
- Mondays73% on time · p90 35 min · 458 flights
- Saturdays70% on time · p90 60 min · 411 flights
- Sundays68% on time · p90 60 min · 464 flights
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