Showing American only (incl. its regional partners)All airlines ×

992 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 72%.

Best time to leave 6–7 am 100% arrive on time from CMH

Best single flight AA 4642 CMH 06:00 → BOS 08:06 · 95% 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).

CMH

% 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.


AA 4642flown by Republic	CMH 06:00	BOS 08:06	95%

All 3 American 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.


AA 4642flown by Republic	CMH 06:00	BOS 08:06	2h 05m	354	95%	1.1%	72 min
AA 4399flown by Republic	CMH 11:00	BOS 13:05	2h 05m	62	90%	1.6%	84 min
AA 3470flown by Envoy	CMH 15:40	BOS 17:47	2h 07m	72	71%	0.0%	88 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.


American	CMH	BOS	2h 02m	85%	1.7%	992	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