Historical on-time performance
Miami to Pittsburgh
1,013 miData through May 2026Source: US DOT · BTS
Flights on MIA–PIT arrive on time 69% of the time over the last 12 months.
On-time rate69%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled1.8%of scheduled flights
based on 613 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time69%Medianon timep9055 minCancel1.8%Flights613
Why flights run late
Delay causes
- Airline39%
- Weather4%
- Air traffic (NAS)13%
- Late aircraft44%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline18%
- Weather82%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 11 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 MIA → PIT
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 — 90% on time.
- Mornings90% on time · p90 10 min · 300 flights
- Middays82% on time · p90 25 min · 220 flights
- Evenings75% on time · p90 70 min · 246 flights
- Overnights66% on time · p90 75 min · 895 flights
- Afternoons63% on time · p90 75 min · 460 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 78% on time.
- Wednesdays78% on time · p90 45 min · 265 flights
- Tuesdays76% on time · p90 45 min · 274 flights
- Fridays73% on time · p90 55 min · 306 flights
- Thursdays72% on time · p90 65 min · 299 flights
- Mondays69% on time · p90 60 min · 303 flights
- Saturdays68% on time · p90 75 min · 362 flights
- Sundays65% on time · p90 70 min · 312 flights
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