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

No clear winner: Southwest’s PIT → HOU flights land within a few points of 78% on time whatever the hour.

Best time to leave 12–1 pm 91% arrive on time from PIT

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).

PIT

% 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.


Southwest	316	78%	0.3%	49 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 2 flights on this route →

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	PIT	HOU	3h 10m	78%	0.3%	316	Flying now

Alternatives with one stop

All connections →


Delta Details →	PIT 05:45 → ATL 07:25DL 1504	55m Atlanta	ATL 08:20 → HOU 09:28DL 1509	4h 39m	90%	76%
Southwest Details →	PIT 06:30 → BNA 07:05WN 1935	55m Nashville	BNA 08:00 → HOU 10:05WN 532	4h 35m	89%	72%

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