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4,981 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 92% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 5–6 am 95% arrive on time from BOS
Best single flight AA 1146 BOS 06:00 → PHL 07:37 · 95% on time Avoid DL 5714 BOS 17:25 → PHL 19:12 · 66% 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
BOS
93
94
94
88
85
82
81
79
74
73
75
70
63
60
56
54
% 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) 1,234 78% 3.4% 70 min
American (incl. Republic) 2,812 78% 2.9% 102 min
JetBlue 892 73% 3.3% 69 min
Frontier 43 – 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.
AA 1146 BOS 06:00 PHL 07:37 95%
AA 2764 BOS 08:03 PHL 09:40 91%
DL 5845flown by Republic BOS 06:50 PHL 08:31 89%
DL 5805flown by Republic BOS 10:50 PHL 12:28 87%
DL 5706flown by Republic BOS 15:10 PHL 16:53 78%
· · ·
AA 1776 BOS 15:06 PHL 16:44 72%
B6 2459 BOS 18:21 PHL 20:00 69%
DL 5714flown by Republic BOS 17:25 PHL 19:12 66%

All 18 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 1146 BOS 06:00 PHL 07:37 1h 43m 172 95% 2.9% 99 min
B6 1159 BOS 06:20 PHL 07:53 1h 34m 147 93% 3.4% 64 min
AA 897 BOS 06:26 PHL 08:10 1h 44m 14 100% 7.1% –
DL 5845flown by Republic BOS 06:50 PHL 08:31 1h 41m 339 89% 2.4% 48 min
AA 2764 BOS 08:03 PHL 09:40 1h 37m 175 91% 0.0% 165 min
AA 3225 BOS 09:37 PHL 11:12 1h 35m 71 89% 1.4% 42 min
AA 2783 BOS 10:49 PHL 12:26 1h 37m 77 82% 0.0% 118 min
DL 5805flown by Republic BOS 10:50 PHL 12:28 1h 38m 194 87% 0.0% 48 min
AA 3043 BOS 12:38 PHL 14:16 1h 38m 95 81% 0.0% 95 min
AA 4794flown by Republic BOS 13:12 PHL 14:48 1h 36m 27 81% 0.0% 50 min
AA 2882 BOS 15:03 PHL 16:39 1h 36m 27 56% 7.4% 84 min
AA 1776 BOS 15:06 PHL 16:44 1h 38m 213 72% 3.8% 77 min
DL 5706flown by Republic BOS 15:10 PHL 16:53 1h 41m 197 78% 6.6% 60 min
AA 3309 BOS 17:05 PHL 18:49 1h 44m 70 58% 8.6% 83 min
DL 5714flown by Republic BOS 17:25 PHL 19:12 1h 47m 206 66% 4.9% 78 min
B6 2459 BOS 18:21 PHL 20:00 1h 39m 158 69% 5.7% 72 min
AA 1147 BOS 19:37 PHL 21:20 1h 43m 102 46% 3.9% 80 min
DL 5610flown by Republic BOS 20:40 PHL 22:22 1h 42m 48 57% 8.3% 108 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 PHL 1h 42m 78% 3.4% 1,234 Flying now
American BOS PHL 1h 40m 78% 2.9% 2,812 Flying now
JetBlue BOS PHL 1h 39m 73% 3.3% 892 Flying now
Frontier BOS PHL 1h 40m 84% 0.0% 43 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