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3,527 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 64%.

Best time to leave 9–10 am 91% arrive on time from MDW
Best single flight DL 1285 MDW 06:00 → ATL 08:55 · 90% on time Avoid F9 2292 MDW 06:00 → ATL 09:19 · 71% on time

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
7
8
9
10
11
12
13
14
15
16
17
18
19
MDW
93
88
89
86
87
76
77
72
72
62
70
70
57
59
% 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
Atlanta flights leaving MDW 1–2 pm: 1Close ×
WN 1306 MDW 13:00 ATL 15:55 1h 55m 16 93% 6.2% 19 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Delta 1,362 88% 2.8% 98 min
Southwest 1,544 77% 1.2% 57 min
Frontier 621 72% 2.6% 53 min

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.
DL 1285 MDW 06:00 ATL 08:55 90%
DL 1063 MDW 11:05 ATL 14:01 90%
DL 2417 MDW 12:50 ATL 15:49 86%
F9 2780 MDW 12:04 ATL 15:10 78%
F9 2292 MDW 06:00 ATL 09:19 71%
All 15 flights on this route →

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.
Delta MDW ATL 2h 02m 88% 2.8% 1,362 Flying now
Southwest MDW ATL 1h 55m 77% 1.2% 1,544 Flying now
Frontier MDW ATL 2h 06m 72% 2.6% 621 Flying now
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