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2,085 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 4 in 5 depart on time. After 4 pm it’s 63%.

Best time to leave 6–7 am 88% arrive on time from EWR
Best single flight B6 1889 EWR 11:18 → SJU 15:14 · 80% on time Avoid UA 1543 EWR 19:45 → SJU 23:50 · 67% 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).

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EWR
88
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75
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63
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61
% 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.
JetBlue 656 76% 4.0% 79 min
United 1,113 71% 2.2% 80 min
Frontier 183 57% 3.3% 106 min
Spirit 133 – 4.5% 73 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.
B6 1889 EWR 11:18 SJU 15:14 80%
UA 1556 EWR 09:46 SJU 13:45 77%
UA 2143 EWR 08:00 SJU 12:04 69%
B6 2389 EWR 21:55 SJU 01:59 67%
UA 1543 EWR 19:45 SJU 23:50 67%
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.
JetBlue EWR SJU 4h 01m 76% 4.0% 656 Flying now
United EWR SJU 4h 04m 71% 2.2% 1,113 Flying now
Spirit EWR SJU 4h 00m 70% 4.5% 133 Not flying now
Frontier EWR SJU 3h 58m 57% 3.3% 183 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