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1,057 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 4.

Best time to leave 7–8 am 95% arrive on time from GSO
Best single flight AA 5958 GSO 06:07 → PHL 07:39 · 90% 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
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GSO
90
98
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87
58
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
Philadelphia flights leaving GSO 5–6 pm: 2Close ×
AA 5518flown by PSA GSO 17:29 PHL 19:05 1h 36m 62 54% 8.1% 88 min
AA 5794flown by Piedmont GSO 17:32 PHL 19:08 1h 37m 21 90% 4.8% 74 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 (incl. PSA, Piedmont, Republic) 1,057 87% 2.1% 91 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 5958flown by Piedmont GSO 06:07 PHL 07:39 90%
All 3 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.
American GSO PHL 1h 35m 87% 2.1% 1,057 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