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4,973 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 88% arrive on time from BOS
Best single flight DL 456 BOS 09:05 → ATL 11:49 · 90% on time Avoid F9 3085 BOS 06:00 → ATL 09:06 · 65% 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).

5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
BOS
92
88
88
89
85
78
83
78
87
73
60
63
65
43
64
55
% 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
Atlanta flights leaving BOS 5–6 am: 1Close ×
DL 2242 BOS 05:30 ATL 08:15 2h 45m 86 96% 1.2% 22 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 3,688 82% 1.8% 77 min
JetBlue 846 70% 3.1% 71 min
Frontier 427 67% 3.3% 54 min
Spirit 12 – 0.0% 70 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 456 BOS 09:05 ATL 11:49 90%
DL 923 BOS 08:05 ATL 10:49 88%
DL 385 BOS 10:20 ATL 13:04 87%
DL 695 BOS 06:50 ATL 09:33 87%
DL 973 BOS 19:15 ATL 22:19 81%
· · ·
F9 3511 BOS 11:59 ATL 14:53 69%
DL 900 BOS 20:40 ATL 23:55 68%
F9 3085 BOS 06:00 ATL 09:06 65%
All 17 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 ATL 2h 57m 82% 1.8% 3,688 Flying now
JetBlue BOS ATL 2h 57m 70% 3.1% 846 Flying now
Frontier BOS ATL 3h 06m 67% 3.3% 427 Flying now
Spirit BOS ATL 2h 32m 58%few flights 0.0% 12 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