Greensboro/High Point (GSO) to Philadelphia (PHL): On-Time Performance
Data through May 2026
Greensboro/High Point (GSO) to Philadelphia (PHL) is a thinner route than most in this dataset — 123 departures over the past year, roughly 2 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 72% arrived on time, noticeably below the national average of 78%. Cancellations are the bigger caveat: 4.7% of scheduled flights never departed.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 32 min
- completed flights
- Cancelled
- 4.7%
- Flights/day
- 0.34
- last 12 months
- Duration
- 1h 33m
- scheduled
- Distance
- 365 mi
Monthly on-time trend
Best time to fly from GSO to PHL
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 14 min |
| Tuesday | 81% | 21 min |
| Wednesday | 60% | 23 min |
| Thursday | 68% | 14 min |
| Friday | 68% | 92 min |
| Saturdaybest | 84% | 25 min |
| Sunday | 61% | 39 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft41%
- Airline operations36%
- National airspace system19%
- Weather4%
Frequently asked questions
- How often are flights from GSO to PHL delayed?
- 28% of GSO–PHL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 32 minutes.
- How long is the flight from GSO to PHL?
- The scheduled GSO–PHL flight time averages 1h 33m over 365 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are GSO to PHL flights cancelled?
- 4.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05 — several times the typical US rate, so consider earlier departures or backup options.
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Based on 190 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.