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2,017 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 7 in 10.

Best time to leave 6–7 am 88% arrive on time from BOS
Best single flight AA 2315 BOS 07:00 → PHX 09:33 · 90% on time Avoid DL 514 BOS 17:55 → PHX 20:37 · 70% 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
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9
10
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BOS
93
87
89
81
68
73
65
76
% 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.
American 1,315 81% 1.6% 83 min
JetBlue 273 74% 1.8% 70 min
Delta 429 71% 1.6% 57 min

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 2315 BOS 07:00 PHX 09:33 90%
AA 1057 BOS 12:53 PHX 15:38 80%
DL 514 BOS 17:55 PHX 20:37 70%

All 5 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 2315 BOS 07:00 PHX 09:33 5h 33m 202 90% 0.5% 66 min
AA 377 BOS 09:41 PHX 12:23 5h 32m 77 87% 0.0% 168 min
AA 1057 BOS 12:53 PHX 15:38 5h 45m 361 80% 1.4% 57 min
AA 3313 BOS 17:07 PHX 19:50 5h 43m 70 67% 2.9% 88 min
DL 514 BOS 17:55 PHX 20:37 5h 42m 359 70% 1.1% 53 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.
American BOS PHX 5h 47m 81% 1.6% 1,315 Flying now
Delta BOS PHX 5h 50m 71% 1.6% 429 Flying now
JetBlue BOS PHX 6h 01m 74% 1.8% 273 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