Historical on-time performance
Pittsburgh to Baltimore
210 miData through May 2026Source: US DOT · BTS
Flights on PIT–BWI arrive on time 84% of the time over the last 12 months.
On-time rate84%arrived within 15 min
p90 delay25 min1 in 10 flights is worse (tail risk)
Cancelled1.3%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-time84%Medianon timep9025 minCancel1.3%Flights1,074
Why flights run late
Delay causes
- Airline21%
- Weather3%
- Air traffic (NAS)22%
- Late aircraft54%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline0%
- Weather93%
- Air traffic (NAS)7%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 14 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 PIT → BWI
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 — 94% on time.
- Mornings94% on time · p90 5 min · 1,148 flights
- Middays91% on time · p90 10 min · 988 flights
- Afternoons77% on time · p90 30 min · 387 flights
- Evenings70% on time · p90 55 min · 704 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 89% on time.
- Tuesdays89% on time · p90 15 min · 468 flights
- Wednesdays89% on time · p90 15 min · 468 flights
- Fridays86% on time · p90 25 min · 470 flights
- Thursdays86% on time · p90 20 min · 467 flights
- Mondays84% on time · p90 15 min · 469 flights
- Saturdays84% on time · p90 25 min · 430 flights
- Sundays82% on time · p90 25 min · 455 flights
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