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1,075 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

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

Best time to leave 8–9 pm 92% 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).

10
11
12
13
14
15
16
17
18
19
20
21
22
BWI
81
81
64
84
61
% 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
Pittsburgh flights leaving BWI 6–7 pm: 2Close ×
WN 1053 BWI 18:20 PIT 19:30 1h 10m 34 66% 5.9% 89 min
WN 1337 BWI 18:30 PIT 19:40 1h 10m 16 60% 6.2% 35 min

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 1,075 80% 2.0% 55 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 4 flights on this route →

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 PIT 1h 05m 80% 2.0% 1,075 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