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2,000 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 72%.

Best time to leave 1–2 pm 90% arrive on time from BOS
Best single flight DL 5601 BOS 08:45 → CVG 11:09 · 88% on time Avoid DL 5801 BOS 20:45 → CVG 23:16 · 69% 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
10
11
12
13
14
15
16
17
18
19
20
21
BOS
92
90
87
86
84
63
73
70
73
73
75
46
% 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.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Delta (incl. Republic) 1,390 83% 3.2% 56 min
American (incl. Envoy, Republic) 610 77% 2.3% 78 min

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 5601flown by Republic BOS 08:45 CVG 11:09 88%
DL 5789flown by Republic BOS 14:13 CVG 16:40 83%
DL 5620flown by Republic BOS 17:00 CVG 19:40 80%
AA 3408flown by Envoy BOS 18:20 CVG 21:00 71%
DL 5801flown by Republic BOS 20:45 CVG 23:16 69%

All 8 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 5601flown by Republic BOS 08:45 CVG 11:09 2h 24m 347 88% 3.7% 41 min
DL 5611flown by Republic BOS 08:46 CVG 11:15 2h 29m 13 77% 0.0% 43 min
DL 5598flown by Republic BOS 11:40 CVG 14:07 2h 27m 65 86% 0.0% 54 min
AA 4760flown by Republic BOS 11:55 CVG 14:30 2h 35m 95 88% 2.1% 62 min
DL 5789flown by Republic BOS 14:13 CVG 16:40 2h 27m 298 83% 1.3% 54 min
DL 5620flown by Republic BOS 17:00 CVG 19:40 2h 38m 192 80% 4.2% 61 min
AA 3408flown by Envoy BOS 18:20 CVG 21:00 2h 40m 176 71% 0.6% 92 min
DL 5801flown by Republic BOS 20:45 CVG 23:16 2h 31m 163 69% 5.5% 70 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 CVG 2h 29m 83% 3.2% 1,390 Flying now
American BOS CVG 2h 41m 77% 2.3% 610 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