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

Leave before 9 am: 9 in 10 depart on time. After 4 pm it’s 65%.

Best time to leave 8–9 am 93% arrive on time from BOS
Best single flight DL 5654 BOS 08:09 → CMH 10:27 · 88% on time Avoid DL 5629 BOS 19:20 → CMH 21:45 · 72% 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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BOS
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63
% 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 5654flown by Republic BOS 08:09 CMH 10:27 88%
DL 5653flown by Republic BOS 14:38 CMH 16:57 82%
DL 5629flown by Republic BOS 19:20 CMH 21:45 72%

All 3 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 5654flown by Republic BOS 08:09 CMH 10:27 2h 20m 202 88% 3.5% 71 min
DL 5653flown by Republic BOS 14:38 CMH 16:57 2h 19m 343 82% 1.7% 76 min
DL 5629flown by Republic BOS 19:20 CMH 21:45 2h 25m 197 72% 6.6% 73 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 BOS CMH 2h 21m 80% 2.9% 995 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