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2,005 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 95% depart on time. After 4 pm it’s 7 in 10.

Best time to leave 8–9 am 95% arrive on time from CMH
Best single flight AA 4642 CMH 06:00 → BOS 08:06 · 95% on time Avoid DL 5663 CMH 06:00 → BOS 08:13 · 92% 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).

6
7
8
9
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13
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15
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CMH
97
95
93
92
86
85
77
60
66
70
80
% 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
Boston flights leaving CMH 5–6 pm: 1Close ×
DL 5653flown by Republic CMH 17:40 BOS 19:50 2h 13m 49 68% 4.1% 102 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
American (incl. Envoy, Republic) 992 85% 1.7% 66 min
Delta (incl. Republic) 995 82% 2.6% 61 min
Spirit 18 – 0.0% 71 min

Dimmed: fewer than 150 flights in the year, too few to rank.

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.
AA 4642flown by Republic CMH 06:00 BOS 08:06 95%
DL 5663flown by Republic CMH 06:00 BOS 08:13 92%
All 6 flights on this route →

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.
American CMH BOS 2h 02m 85% 1.7% 992 Flying now
Delta CMH BOS 2h 04m 82% 2.6% 995 Flying now
Spirit CMH BOS 2h 06m 22%few flights 0.0% 18 Not 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