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2,271 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s barely half.

Best time to leave 5–6 am 95% arrive on time from MDW

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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
MDW
93
92
91
88
85
82
69
78
80
58
68
56
45
50
64
63
49
% 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.
Southwest 2,198 75% 1.3% 61 min
Frontier 73 – 1.4% 62 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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 flight on this route ran 150+ times in the year.

All 11 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 2989 MDW 05:15 DEN 06:50 2h 35m 49 98% 0.0% 21 min
WN 2765 MDW 06:50 DEN 08:20 2h 30m 49 84% 0.0% 26 min
WN 1102 MDW 09:00 DEN 10:35 2h 35m 16 93% 6.2% 17 min
WN 2654 MDW 09:55 DEN 11:30 2h 35m 26 68% 3.8% 40 min
WN 2960 MDW 11:10 DEN 12:40 2h 30m 50 78% 0.0% 65 min
WN 2768 MDW 14:30 DEN 16:10 2h 40m 41 52% 0.0% 79 min
WN 2766 MDW 14:45 DEN 16:25 2h 40m 16 23% 6.2% 65 min
WN 2769 MDW 16:15 DEN 18:00 2h 45m 58 62% 1.7% 84 min
WN 2675 MDW 18:00 DEN 19:45 2h 45m 16 38% 0.0% 82 min
WN 1497 MDW 18:00 DEN 19:45 2h 45m 26 68% 0.0% 65 min
WN 2770 MDW 21:25 DEN 23:05 2h 45m 57 58% 3.5% 80 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.
Southwest MDW DEN 2h 40m 75% 1.3% 2,198 Flying now
Frontier MDW DEN 2h 48m 68% 1.4% 73 Not 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