tailodds FORECAST
Tickets
Any day
Showing Southwest only (incl. its regional partners)All airlines ×
709 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 96% depart on time. After 4 pm it’s barely half.

Best time to leave 7–8 am 93% arrive on time from RDU

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
RDU
96
96
53
75
35
50
% 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 3 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 4083 RDU 05:15 DEN 06:50 3h 35m 42 88% 0.0% 81 min
WN 3428 RDU 16:55 DEN 18:40 3h 45m 42 43% 0.0% 60 min
WN 2553 RDU 18:20 DEN 20:05 3h 45m 16 60% 6.2% 82 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 RDU DEN 3h 50m 76% 1.0% 709 Flying now

Alternatives with one stop

All connections →
SouthwestDetails → RDU 06:25 → STL 07:30WN 3435 1h 12m St Louis STL 08:42 → DEN 10:02WN 3910 5h 37m 95% 85%
SouthwestDetails → RDU 08:05 → MDW 09:00WN 3432 55m Chicago MDW 09:55 → DEN 11:30WN 2654 5h 25m 91% 59%
SouthwestDetails → RDU 06:38 → BNA 07:08WN 3418 47m Nashville BNA 07:55 → DEN 09:40WN 499 5h 02m 78% 50%
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