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1,932 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 83% depart on time. After 4 pm it’s 3 in 5.

Best time to leave 11 pm–12 am 83% arrive on time from PHL
Best single flight F9 1016 PHL 11:46 → SJU 15:50 · 67% on time Avoid F9 4462 PHL 20:03 → SJU 23:58 · 52% 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
23
PHL
74
84
86
82
73
71
87
62
49
57
67
59
83
% 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
San Juan flights leaving PHL 12–1 pm: 1Close ×
B6 1047 PHL 12:04 SJU 15:56 3h 52m 128 73% 2.3% 108 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.
American 732 71% 1.9% 87 min
Spirit 185 62% 8.6% 65 min
Frontier 887 57% 3.4% 74 min
JetBlue 128 – 2.3% 107 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.
F9 1016 PHL 11:46 SJU 15:50 67%
F9 1726 PHL 23:59 SJU 03:57 59%
F9 4462 PHL 20:03 SJU 23:58 52%
All 7 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.
JetBlue PHL SJU 3h 52m 73% 2.3% 128 Flying now
American PHL SJU 4h 01m 71% 1.9% 732 Flying now
Frontier PHL SJU 4h 00m 57% 3.4% 887 Flying now
Spirit PHL SJU 3h 48m 62% 8.6% 185 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