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1,056 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: Southwest’s BWI → CMH flights land within a few points of 4 in 5 on time whatever the hour.

Best time to leave 10–11 am 93% arrive on time from BWI

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).

9
10
11
12
13
14
15
16
17
18
19
20
21
22
BWI
90
86
84
74
56
55
61
76
70
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 1,056 80% 1.5% 62 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.

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

All 5 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 1206 BWI 10:45 CMH 12:10 1h 25m 16 100% 0.0% –
WN 4524 BWI 10:45 CMH 12:10 1h 25m 41 93% 0.0% 72 min
WN 921 BWI 17:00 CMH 18:25 1h 25m 41 70% 2.4% 58 min
WN 4355 BWI 17:40 CMH 19:05 1h 25m 16 67% 6.2% 112 min
WN 4157 BWI 22:25 CMH 23:50 1h 25m 57 65% 5.3% 75 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 BWI CMH 1h 25m 80% 1.5% 1,056 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