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

Leave before 9 am: 94% depart on time. After 4 pm it’s 63%.

Best time to leave 8–9 am 93% arrive on time from BOS
Best single flight DL 5674 BOS 08:25 → CLE 10:35 · 94% on time Avoid DL 5655 BOS 20:45 → CLE 22:59 · 62% 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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% 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 5674flown by Republic BOS 08:25 CLE 10:35 94%
DL 5641flown by Republic BOS 14:54 CLE 17:06 86%
DL 5655flown by Republic BOS 20:45 CLE 22:59 62%

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 5674flown by Republic BOS 08:25 CLE 10:35 2h 11m 196 94% 1.0% 38 min
DL 5641flown by Republic BOS 14:54 CLE 17:06 2h 12m 263 86% 1.1% 64 min
DL 5655flown by Republic BOS 20:45 CLE 22:59 2h 14m 327 62% 3.7% 64 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 CLE 2h 14m 78% 2.5% 876 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