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Showing Delta only (incl. its regional partners)All airlines ×
1,397 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 78%.

Best time to leave 5–6 am 91% 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).

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% 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.
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 4 Delta 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.
DL 2557 HOU 06:00 ATL 09:05 2h 05m 365 90% 1.4% 74 min
DL 1509 HOU 10:16 ATL 13:20 2h 04m 365 88% 3.0% 70 min
DL 1195 HOU 13:10 ATL 16:18 2h 08m 266 80% 0.8% 116 min
DL 2381 HOU 17:12 ATL 20:28 2h 16m 215 77% 1.9% 104 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.
Delta HOU ATL 2h 05m 85% 1.9% 1,397 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