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1,748 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 87% depart on time. After 4 pm it’s barely half.

Best time to leave 11 am–12 pm 91% 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).

6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
BWI
87
85
89
70
78
63
67
58
59
49
64
50
42
% 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 1,748 78% 1.9% 54 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 9 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 4566 BWI 06:55 BUF 08:10 1h 15m 42 86% 0.0% 24 min
WN 762 BWI 10:50 BUF 12:05 1h 15m 34 85% 0.0% 28 min
WN 279 BWI 10:55 BUF 12:10 1h 15m 16 81% 0.0% 33 min
WN 894 BWI 13:00 BUF 14:15 1h 15m 34 79% 0.0% 51 min
WN 766 BWI 13:05 BUF 14:20 1h 15m 16 62% 0.0% 38 min
WN 768 BWI 17:55 BUF 19:15 1h 20m 41 58% 12.2% 76 min
WN 1742 BWI 18:35 BUF 19:58 1h 22m 16 85% 18.8% 308 min
WN 3946 BWI 21:25 BUF 22:42 1h 18m 16 50% 12.5% 54 min
WN 4577 BWI 22:55 BUF 00:15 1h 15m 33 68% 6.1% 73 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 BUF 1h 15m 78% 1.9% 1,748 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