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815 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s barely half.

Best time to leave 6–7 am 94% arrive on time from ATL

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

6
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ATL
95
65
76
47
72
54
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.

No Southwest flight on this route ran 150+ times in the year.

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Southwest ATL LGA 2h 10m 73% 2.5% 815 Not flying now

Alternatives with one stop

All connections →
SouthwestDetails → ATL 06:50 → STL 07:30WN 3937 3h 30m St Louis STL 11:00 → LGA 14:25WN 1373 7h 35m 100% 75%
SouthwestDetails → ATL 06:30 → DAL 07:35WN 192 55m Dallas DAL 08:30 → LGA 12:50WN 3664 6h 20m 93% 59%
SouthwestDetails → ATL 13:10 → STL 13:50WN 240 1h 35m St Louis STL 15:25 → LGA 18:55WN 4962 5h 45m 94% 58%
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON