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

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

No clear winner: Southwest’s PDX → MDW flights land within a few points of 9 in 10 on time whatever the hour.

Best time to leave 6–7 am 95% arrive on time from PDX

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).

PDX

% 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 4 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 1148	PDX 06:00	MDW 11:50	3h 50m	26	85%	0.0%	63 min
WN 3669	PDX 06:02	MDW 11:52	3h 50m	16	94%	0.0%	102 min
WN 3202	PDX 11:50	MDW 17:45	3h 55m	42	63%	0.0%	40 min
WN 3203	PDX 23:30	MDW 05:20	3h 50m	58	89%	1.7%	47 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	PDX	MDW	3h 55m	90%	0.7%	684	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