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Showing Delta only (incl. its regional partners)All airlines ×
1,122 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 77%.

Best time to leave 7–8 am 87% arrive on time from ATW
Best single flight DL 4176 ATW 07:00 → DTW 09:25 · 85% on time Avoid DL 4440 ATW 11:09 → DTW 13:30 · 75% 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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ATW
85
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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 4176flown by SkyWest ATW 07:00 DTW 09:25 85%
DL 4166flown by SkyWest ATW 18:33 DTW 20:57 77%
DL 4440flown by SkyWest ATW 11:09 DTW 13:30 75%

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 4176flown by SkyWest ATW 07:00 DTW 09:25 1h 25m 365 85% 1.6% 109 min
DL 4440flown by SkyWest ATW 11:09 DTW 13:30 1h 21m 224 75% 0.9% 119 min
DL 4696flown by Endeavor ATW 14:05 DTW 16:30 1h 25m 42 79% 0.0% 70 min
DL 4166flown by SkyWest ATW 18:33 DTW 20:57 1h 24m 245 77% 0.8% 87 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 ATW DTW 1h 23m 79% 1.3% 1,122 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