Showing Southwest only (incl. its regional partners)All airlines ×

824 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 57%.

Best time to leave 7–8 am 95% arrive on time from MDW

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).

MDW

% 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 758	MDW 07:52	BUF 10:25	1h 30m	49	94%	0.0%	32 min
WN 1655	MDW 13:00	BUF 15:30	1h 30m	34	64%	0.0%	101 min
WN 958	MDW 13:15	BUF 15:45	1h 30m	16	75%	0.0%	32 min
WN 2659	MDW 18:55	BUF 21:28	1h 32m	16	19%	0.0%	67 min
WN 4110	MDW 19:05	BUF 21:35	1h 30m	34	29%	8.8%	60 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	MDW	BUF	1h 30m	75%	1.5%	824	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