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1,162 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 82% depart on time. After 4 pm it’s barely half.

Best time to leave 6–7 am 81% 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
BWI
81
83
65
53
65
50
48
% 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.
Spirit 174 76% 5.7% 79 min
Southwest 817 69% 0.9% 57 min
Frontier 171 56% 6.4% 96 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 4443 BWI 08:10 SJU 12:25 4h 15m 100 75% 1.0% 45 min
F9 1774 BWI 12:35 SJU 16:40 4h 05m 27 54% 3.7% 64 min
WN 1103 BWI 17:05 SJU 21:15 4h 10m 49 55% 0.0% 89 min
WN 1104 BWI 20:10 SJU 00:40 4h 05m 57 46% 0.0% 70 min
F9 2266 BWI 20:44 SJU 00:44 4h 00m 130 56% 6.2% 101 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 SJU 4h 05m 69% 0.9% 817 Flying now
Frontier BWI SJU 4h 00m 56% 6.4% 171 Flying now
Spirit BWI SJU 3h 46m 76% 5.7% 174 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