Route on-time record
PIT to ATL: most on-time flights and the best time to fly
Pittsburgh (Pittsburgh International Airport) to Atlanta (Hartsfield Jackson Atlanta International Airport). 2,800 nonstop flights in Jun 2025 to May 2026, 90% arrived within 15 minutes and 2.2% were cancelled. The most reliable flight number was Delta 1363 at 11:52 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
PIT → ATL
Pittsburgh to Atlanta: 2,800 nonstop flights a year
On time (12 months)
90%
Cancelled
2.2%
avg delay 7 min
Best time to leave
9 AM to noon
94% on time vs 83% 6 to 9 PM
Most reliable airline
Delta
88% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Delta 1363
11:52 AM → 1:36 PM1h 44m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 94%
- Cancelled
- 1.8%
- Avg arrival delay
- 4 min
- Arrived on time 94% of the time (327 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 94% on time; 6 to 9 PM: 83%).
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 327 flights
Find Delta 1363 fares Opens this date on Aviasales#2 · Delta 1383
7:05 AM → 9:00 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
- On time (history)
- 94%
- Cancelled
- 3.1%
- Avg arrival delay
- 6 min
- Arrived on time 94% of the time (341 flights, Jun 2025 to May 2026).
- Cancelled 3.1% of the time (11 of 355).
Strong track record · 341 flights
Find Delta 1383 fares Opens this date on Aviasales#3 · Delta 1504
6:00 AM → 7:52 AM1h 52m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 92%
- Cancelled
- 2.2%
- Avg arrival delay
- 6 min
- Arrived on time 92% of the time (356 flights, Jun 2025 to May 2026).
Strong track record · 356 flights
Find Delta 1504 fares Opens this date on Aviasales#4 · Delta 1380
10:10 AM → 11:55 AM1h 47m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 92%
- Cancelled
- 3.2%
- Avg arrival delay
- 5 min
- Arrived on time 92% of the time (299 flights, Jun 2025 to May 2026).
- Cancelled 3.2% of the time (10 of 309).
- Leaves in this route's most on-time window (9 AM to noon: 94% on time; 6 to 9 PM: 83%).
Strong track record · 299 flights
Find Delta 1380 fares Opens this date on Aviasales#5 · Southwest 3913
9:25 AM → 11:10 AM1h 45m nonstop
Local times, typical schedule. Last flown 2026-05-29.
88%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 91% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 94% on time; 6 to 9 PM: 83%).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 3913 fares Opens this date on Aviasales#6 · Delta 1345
1:42 PM → 3:32 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
- On time (history)
- 89%
- Cancelled
- 1.4%
- Avg arrival delay
- 12 min
- Arrived on time 89% of the time (137 flights, Jun 2025 to May 2026).
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
- 55% of its delay minutes came from the plane arriving late from an earlier flight.
Moderate track record · 137 flights
Find Delta 1345 fares Opens this date on Aviasales#7 · Delta 3122
7:35 PM → 9:39 PM2h 03m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
- On time (history)
- 90%
- Cancelled
- 2.1%
- Avg arrival delay
- 6 min
- Arrived on time 90% of the time (94 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 83% on time; 9 AM to noon: 94%).
Moderate track record · 94 flights
Find Delta 3122 fares Opens this date on Aviasales#8 · Southwest 2007
1:00 PM → 2:45 PM1h 45m nonstop
Local times, typical schedule. Last flown 2026-04-06.
85%
chance on time
- On time (history)
- 80%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 80% of the time (20 flights, Jun 2025 to May 2026).
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (20 flights), so its score leans on the airline's record at this hour.
Limited track record · 20 flights
Find Southwest 2007 fares Opens this date on Aviasales#9 · Delta 1353
4:37 PM → 6:24 PM1h 47m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
- On time (history)
- 85%
- Cancelled
- 1.4%
- Avg arrival delay
- 12 min
- Arrived on time 85% of the time (338 flights, Jun 2025 to May 2026).
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 338 flights
Find Delta 1353 fares Opens this date on Aviasales#10 · Delta 1568
6:25 PM → 8:17 PM1h 52m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 84%
- Cancelled
- 2.2%
- Avg arrival delay
- 10 min
- Arrived on time 84% of the time (173 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 83% on time; 9 AM to noon: 94%).
Moderate track record · 173 flights
Find Delta 1568 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines88%
2,489 flights · 90% on time as flown · 2.4% cancel
- Southwest Airlines87%
311 flights · 87% on time as flown · 0.9% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
720 flights · avg delay 6 min
- 9 AM to noon94%
642 flights · avg delay 4 min
- Noon to 3 PM91%
616 flights · avg delay 6 min
- 3 to 6 PM83%
472 flights · avg delay 12 min
- 6 to 9 PM83%
350 flights · avg delay 11 min
Best day: Wednesday (91%). Worst: Sunday (86%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Airline (crew, maintenance, boarding)38%
- Late-arriving aircraft37%
- Air traffic control and airport volume21%
- Severe weather4%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
PIT to ATL questions
- What time of day is best to fly PIT to ATL?
- 9 AM to noon: 94% of flights arrived on time, against 83% for departures 6 to 9 PM.
- Which airline is most on time from PIT to ATL?
- Delta, with a season-adjusted 88% chance of operating and arriving on time over 2,489 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on PIT to ATL?
- January (81% on time); the best was November (94%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from PIT
- ATL to PIT (return)
- PIT to ORD 78%
- PIT to LGA 80%
- PIT to MCO 79%
- PIT to BOS 79%
- PIT to CLT 84%
- PIT to EWR 87%
- PIT to JFK 87%
- PIT to DEN 81%
- PIT to DFW 79%
- PIT to DCA 69%
- PIT to IAD 88%
- PIT to PHL 75%
Live status: FAA delays and ground stops