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3,526 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 63%.

Best time to leave 6–7 am 96% arrive on time from ATL
Best single flight DL 2417 ATL 11:05 → MDW 12:05 · 88% on time Avoid F9 2779 ATL 10:05 → MDW 11:07 · 64% 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
20
21
22
ATL
95
85
85
82
77
83
75
82
62
81
77
60
64
48
62
63
68
% 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.

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 83% 2.4% 57 min
Southwest 1,543 76% 1.5% 60 min
Frontier 621 66% 2.4% 94 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 2417 ATL 11:05 MDW 12:05 88%
DL 1063 ATL 09:09 MDW 10:09 88%
DL 1076 ATL 21:15 MDW 22:17 77%
F9 2291 ATL 21:00 MDW 22:03 68%
F9 2779 ATL 10:05 MDW 11:07 64%

All 13 flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
WN 1270 ATL 08:00 MDW 08:55 1h 55m 50 78% 2.0% 76 min
DL 1063 ATL 09:09 MDW 10:09 2h 00m 365 88% 3.0% 46 min
WN 224 ATL 10:00 MDW 11:00 2h 00m 27 89% 0.0% 47 min
F9 2779 ATL 10:05 MDW 11:07 2h 04m 304 64% 2.6% 96 min
DL 2417 ATL 11:05 MDW 12:05 2h 00m 269 88% 2.6% 56 min
WN 3903 ATL 11:20 MDW 12:15 1h 55m 16 81% 0.0% 26 min
WN 225 ATL 12:30 MDW 13:25 1h 55m 26 76% 0.0% 86 min
WN 2163 ATL 14:15 MDW 15:10 1h 55m 16 67% 6.2% 22 min
DL 1728 ATL 15:15 MDW 16:15 2h 00m 97 77% 2.1% 55 min
WN 232 ATL 17:55 MDW 18:55 2h 00m 50 48% 4.0% 79 min
WN 233 ATL 19:35 MDW 20:30 1h 55m 43 31% 0.0% 107 min
F9 2291 ATL 21:00 MDW 22:03 2h 04m 288 68% 2.4% 92 min
DL 1076 ATL 21:15 MDW 22:17 2h 02m 365 77% 2.5% 72 min

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 ATL MDW 2h 00m 83% 2.4% 1,362 Flying now
Southwest ATL MDW 1h 55m 76% 1.5% 1,543 Flying now
Frontier ATL MDW 2h 04m 66% 2.4% 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