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Showing Southwest only (incl. its regional partners)All airlines ×
3,536 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 91% arrive on time from DCA, 90% arrive on time from BWI
Best airport pair BWI → DAL 77% on time, fewest cancelled (1.6%), 1,803 flights

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
DCA
91
83
81
59
39
62
67
35
38
45
45
62
BWI
90
92
86
83
81
73
70
64
66
57
56
47
53
47
59
% 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.

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

All 15 Southwest 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 1268 DCA 06:10 DAL 08:10 3h 00m 49 89% 2.0% 42 min
WN 4403 BWI 06:50 DAL 08:55 3h 05m 58 83% 0.0% 107 min
WN 930 BWI 08:15 DAL 10:25 3h 10m 42 85% 0.0% 40 min
WN 1394 DCA 09:05 DAL 11:10 3h 05m 26 73% 0.0% 83 min
WN 931 BWI 09:35 DAL 11:45 3h 10m 26 88% 0.0% 71 min
WN 149 DCA 10:40 DAL 12:45 3h 05m 16 88% 0.0% 28 min
WN 3660 DCA 14:00 DAL 16:10 3h 10m 26 58% 3.8% 70 min
WN 1402 DCA 14:00 DAL 16:10 3h 10m 16 56% 0.0% 43 min
WN 932 BWI 14:15 DAL 16:15 3h 00m 33 62% 0.0% 40 min
WN 3553 BWI 14:40 DAL 16:45 3h 05m 16 75% 0.0% 31 min
WN 1403 DCA 17:20 DAL 19:30 3h 10m 50 27% 4.0% 65 min
WN 3671 BWI 17:55 DAL 20:05 3h 10m 16 67% 6.2% 32 min
WN 4365 BWI 18:20 DAL 20:30 3h 10m 26 38% 0.0% 108 min
WN 693 BWI 20:00 DAL 22:10 3h 10m 49 43% 4.1% 56 min
WN 4377 DCA 20:35 DAL 22:50 3h 15m 50 38% 6.0% 89 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 DAL 3h 20m 77% 1.6% 1,803 Flying now
Southwest DCA DAL 3h 20m 73% 1.8% 1,733 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