2,879 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 93% depart on time. After 4 pm it’s 64%.

Best time to leave 6–7 am 93% arrive on time from ATL

Best single flight DL 1509 ATL 08:20 → HOU 09:28 · 90% on time Avoid DL 2051 ATL 20:35 → HOU 21:43 · 73% on time

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).

ATL

% 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

Houston flights leaving ATL 6–7 am: 2Close ×


WN 2007	ATL 06:20	HOU 07:25	2h 05m	16	94%	0.0%	16 min
WN 4729	ATL 06:30	HOU 07:35	2h 05m	40	92%	2.5%	74 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.


Delta	1,397	82%	1.9%	59 min
Southwest	1,482	81%	0.7%	58 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.


DL 1509	ATL 08:20	HOU 09:28	90%
DL 1195	ATL 11:05	HOU 12:11	85%
DL 2381	ATL 15:11	HOU 16:23	81%
DL 2051	ATL 20:35	HOU 21:43	73%

All 11 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.


Delta	ATL	HOU	2h 08m	82%	1.9%	1,397	Flying now
Southwest	ATL	HOU	2h 15m	81%	0.7%	1,482	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