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4,978 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 62%.

Best time to leave 6–7 am 93% arrive on time from PHL
Best single flight DL 5740 PHL 06:00 → BOS 07:30 · 92% on time Avoid B6 560 PHL 20:55 → BOS 22:26 · 56% 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
22
PHL
95
90
87
94
86
87
73
75
70
62
69
60
60
58
51
71
64
% 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 81% 3.4% 76 min
American (incl. Republic) 2,809 74% 2.8% 83 min
JetBlue 892 74% 3.4% 73 min
Frontier 43 – 0.0% 47 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 5740flown by Republic PHL 06:00 BOS 07:30 92%
DL 5845flown by Republic PHL 09:30 BOS 10:59 90%
B6 1160 PHL 08:49 BOS 10:10 85%
AA 1416 PHL 10:30 BOS 12:03 84%
AA 1874 PHL 22:20 BOS 23:49 72%
· · ·
DL 5706flown by Republic PHL 17:35 BOS 19:07 67%
AA 1776 PHL 17:30 BOS 18:57 64%
B6 560 PHL 20:55 BOS 22:26 56%

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.
DL 5740flown by Republic PHL 06:00 BOS 07:30 1h 30m 365 92% 1.9% 73 min
AA 3225 PHL 07:18 BOS 08:42 1h 25m 74 89% 1.4% 55 min
AA 2783 PHL 08:27 BOS 09:56 1h 29m 142 87% 0.7% 108 min
B6 1160 PHL 08:49 BOS 10:10 1h 21m 158 85% 2.5% 63 min
DL 5845flown by Republic PHL 09:30 BOS 10:59 1h 29m 324 90% 3.1% 59 min
AA 1416 PHL 10:30 BOS 12:03 1h 33m 164 84% 0.0% 55 min
AA 4785flown by Republic PHL 10:56 BOS 12:27 1h 31m 26 85% 0.0% 96 min
AA 2882 PHL 12:50 BOS 14:23 1h 33m 66 80% 1.5% 121 min
DL 5805flown by Republic PHL 13:10 BOS 14:40 1h 30m 193 72% 1.6% 79 min
AA 3116 PHL 15:20 BOS 16:47 1h 27m 72 47% 5.6% 76 min
AA 2960 PHL 17:30 BOS 19:05 1h 35m 36 57% 2.8% 82 min
AA 1776 PHL 17:30 BOS 18:57 1h 27m 225 64% 4.4% 94 min
DL 5706flown by Republic PHL 17:35 BOS 19:07 1h 32m 181 67% 6.6% 69 min
AA 3327 PHL 19:40 BOS 21:12 1h 33m 68 52% 7.4% 80 min
DL 5714flown by Republic PHL 19:59 BOS 21:49 1h 50m 48 70% 10.4% 85 min
AA 1442 PHL 20:50 BOS 22:35 1h 45m 30 67% 0.0% 138 min
B6 560 PHL 20:55 BOS 22:26 1h 31m 158 56% 7.0% 80 min
AA 1874 PHL 22:20 BOS 23:49 1h 29m 295 72% 4.7% 69 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 PHL BOS 1h 32m 81% 3.4% 1,234 Flying now
American PHL BOS 1h 27m 74% 2.8% 2,809 Flying now
JetBlue PHL BOS 1h 21m 74% 3.4% 892 Flying now
Frontier PHL BOS 1h 29m 91% 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