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2,225 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 almost half.

Best time to leave 6–7 am 97% arrive on time from DEN

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
DEN
92
95
89
87
84
80
73
65
72
58
49
72
36
54
42
34
% 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 2,151 75% 1.6% 56 min
Frontier 74 – 1.4% 95 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 10 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 1598 DEN 05:55 MDW 09:20 2h 25m 49 98% 0.0% 17 min
WN 114 DEN 07:10 MDW 10:30 2h 20m 34 94% 0.0% 18 min
WN 280 DEN 07:40 MDW 11:05 2h 25m 16 88% 0.0% 42 min
WN 755 DEN 10:00 MDW 13:25 2h 25m 57 89% 1.8% 28 min
WN 284 DEN 12:00 MDW 15:25 2h 25m 16 94% 0.0% 24 min
WN 1601 DEN 13:00 MDW 16:20 2h 20m 34 59% 0.0% 62 min
WN 1603 DEN 15:00 MDW 18:20 2h 20m 58 61% 3.4% 54 min
WN 1604 DEN 17:35 MDW 21:00 2h 25m 50 27% 0.0% 70 min
WN 1614 DEN 19:00 MDW 22:28 2h 28m 24 30% 4.2% 79 min
WN 1615 DEN 20:50 MDW 00:15 2h 22m 34 36% 2.9% 63 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 DEN MDW 2h 20m 75% 1.6% 2,151 Flying now
Frontier DEN MDW 2h 25m 78% 1.4% 74 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