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Showing Delta only (incl. its regional partners)All airlines ×
1,713 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 65%.

Best time to leave 7–8 am 91% arrive on time from DTW
Best single flight DL 1163 DTW 07:05 → BOS 09:07 · 91% on time Avoid DL 1707 DTW 17:57 → BOS 20:00 · 57% 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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DTW
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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 1163 DTW 07:05 BOS 09:07 91%
DL 2648 DTW 10:05 BOS 12:05 83%
DL 1187 DTW 21:53 BOS 23:54 71%
DL 1171 DTW 14:01 BOS 16:10 70%
DL 1707 DTW 17:57 BOS 20:00 57%

All 5 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 1163 DTW 07:05 BOS 09:07 2h 02m 365 91% 2.2% 49 min
DL 2648 DTW 10:05 BOS 12:05 1h 58m 364 83% 1.4% 59 min
DL 1171 DTW 14:01 BOS 16:10 2h 09m 360 70% 1.1% 70 min
DL 1707 DTW 17:57 BOS 20:00 2h 03m 266 57% 3.0% 72 min
DL 1187 DTW 21:53 BOS 23:54 2h 01m 355 71% 2.3% 72 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 DTW BOS 2h 02m 76% 2.0% 1,713 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