2,882 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 2 in 3.

Best time to leave 7–8 am 94% arrive on time from HOU

Best single flight DL 2557 HOU 06:00 → ATL 09:05 · 90% on time Avoid DL 2381 HOU 17:12 → ATL 20:28 · 77% 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).

HOU

% 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

Atlanta flights leaving HOU 1–2 pm: 2Close ×


DL 1195	HOU 13:10	ATL 16:18	2h 08m	266	80%	0.8%	116 min
WN 270	HOU 13:45	ATL 16:50	2h 05m	16	56%	0.0%	40 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	85%	1.9%	98 min
Southwest	1,485	76%	0.6%	52 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 2557	HOU 06:00	ATL 09:05	90%
DL 1509	HOU 10:16	ATL 13:20	88%
DL 1195	HOU 13:10	ATL 16:18	80%
DL 2381	HOU 17:12	ATL 20:28	77%

All 10 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	HOU	ATL	2h 05m	85%	1.9%	1,397	Flying now
Southwest	HOU	ATL	1h 55m	76%	0.6%	1,485	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