Historical on-time performance
Atlanta to Pittsburgh
Flights on ATL–PIT arrive on time 82% of the time over the last 12 months.
based on 2,551 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- Delta Air LinesOn-time82%Medianon timep9030 minCancel2.3%Flights2,489
- Southwest AirlinesOn-time81%Medianon timep9020 minCancel1.6%Flights62
Why flights run late
Delay causes
- Airline49%
- Weather6%
- Air traffic (NAS)17%
- Late aircraft28%
- Security1%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline69%
- Weather31%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 58 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 ATL → 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 · 1,692 flights
- Middays87% on time · p90 15 min · 2,044 flights
- Afternoons80% on time · p90 30 min · 1,795 flights
- Evenings75% on time · p90 45 min · 1,498 flights
- Overnights74% on time · p90 45 min · 1,503 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 78% to 87% on time.
- Wednesdays87% on time · p90 20 min · 1,171 flights
- Tuesdays86% on time · p90 20 min · 1,159 flights
- Saturdays84% on time · p90 25 min · 1,047 flights
- Thursdays82% on time · p90 25 min · 1,281 flights
- Mondays79% on time · p90 40 min · 1,301 flights
- Sundays78% on time · p90 40 min · 1,269 flights
- Fridays78% on time · p90 35 min · 1,304 flights
Keep exploring