Pittsburgh (PIT) to Atlanta (ATL): On-Time Performance
Data through July 2026
The calendar drives reliability on PIT–ATL. September 2025 flights landed on schedule 96% of the time, but January 2025 dropped to 72% — a gap of 24 points. Across the full period the route averages 88% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 80%), which matters most in the rough months.
- On-time
- 88%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 1.7%
- Flights/day
- 7.5
- last 12 months
- Duration
- 1h 51m
- scheduled
- Distance
- 526 mi
Best airline from PIT to ATL
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 88% | 9 min | 1.9% | 5,137 |
| Southwest Airlines | 88% | 7 min | 0.3% | 680 |
Monthly on-time trend
Best time to fly from PIT to ATL
Aim for departures around 11 a.m. (94% on-time); avoid 8 p.m. departures (63%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 87% | 10 min |
| Tuesday | 90% | 9 min |
| Wednesdaybest | 92% | 6 min |
| Thursday | 89% | 8 min |
| Friday | 87% | 11 min |
| Saturday | 89% | 9 min |
| Sunday | 84% | 11 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations40%
- National airspace system21%
- Weather3%
Frequently asked questions
- How often are flights from PIT to ATL delayed?
- 12% of PIT–ATL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 9 minutes.
- Which airline is most reliable from PIT to ATL?
- Delta Air Lines has the best on-time record on this route at 88%, based on 5,137 flights. 2 airlines flew PIT–ATL frequently enough to compare in this period.
- What is the best time of day to fly from PIT to ATL?
- Departures around 11 a.m. have the best record (94% on-time), while departures around 8 p.m. have the worst (63%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PIT to ATL?
- The scheduled PIT–ATL flight time averages 1h 51m over 526 miles. Actual arrival times vary — flights on this route land 15+ minutes late 12% of the time.
- How often are PIT to ATL flights cancelled?
- 1.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from PIT to ATL?
- January 2025 was the roughest month in this dataset, with only 72% of arrivals on time. The best was September 2025 at 96%. If your dates are flexible, that 24-point gap is worth planning around.
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Based on 5,848 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.