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Showing Southwest only (incl. its regional partners)All airlines ×
1,596 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am from Fort Lauderdale: 92% depart on time. After 4 pm it’s almost half.

Best time to leave 7–8 am 97% arrive on time from FLL
Best airport pair FLL → MDW 72% on time, fewest cancelled (1.3%), 1,124 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
MIA
85
67
79
53
31
FLL
95
90
94
86
67
52
52
62
62
30
57
% 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 5 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 1866 FLL 06:10 MDW 08:10 3h 00m 57 96% 0.0% 22 min
WN 1869 FLL 10:15 MDW 12:15 3h 00m 42 80% 0.0% 44 min
WN 188 FLL 12:20 MDW 14:20 3h 00m 16 75% 0.0% 57 min
WN 2930 MIA 15:15 MDW 17:25 3h 10m 57 54% 0.0% 82 min
WN 1870 FLL 18:20 MDW 20:25 3h 05m 49 39% 2.0% 66 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 FLL MDW 3h 10m 72% 1.3% 1,124 Flying now
Southwest MIA MDW 3h 15m 68% 1.6% 439 Flying now
Southwest FLL ORD 3h 35m 45%few flights 3.0% 33 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