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1,650 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 3 in 5.

Best time to leave 8–9 am 92% 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).

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
BOS
91
91
86
78
71
86
89
56
58
65
61
58
% 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
Cleveland flights leaving BOS 7–8 am: 1Close ×
B6 2041 BOS 07:15 CLE 09:18 2h 03m 136 83% 4.4% 69 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.
Delta (incl. Republic) 876 78% 2.5% 63 min
JetBlue 694 77% 3.0% 76 min
Frontier 80 – 1.3% 68 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.
DL 5674flown by Republic BOS 08:25 CLE 10:35 94%
DL 5641flown by Republic BOS 14:54 CLE 17:06 86%
B6 641 BOS 13:06 CLE 15:06 85%
B6 541 BOS 19:59 CLE 21:59 64%
DL 5655flown by Republic BOS 20:45 CLE 22:59 62%
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.
Delta BOS CLE 2h 14m 78% 2.5% 876 Flying now
JetBlue BOS CLE 2h 03m 77% 3.0% 694 Flying now
Frontier BOS CLE 2h 06m 80% 1.3% 80 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