PHL to GSO flight delays & on-time performance
Nonstop flights from Philadelphia International Airport to Piedmont Triad International Airport · 365 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHL or GSO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Philadelphia (PHL) to Greensboro/High Point (GSO) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3% were cancelled, and 13% arrived an hour or more late.
- Republic Airways was the most punctual airline here (76% on time); PSA Airlines was the least (70%).
- Departures scheduled around 4pm did best (77% on time); around 3pm did worst (66%).
- Monday was the most reliable day to fly (76% on time) and Tuesday the least (63%).
- The largest source of delay minutes was late-arriving aircraft (44%).
Which airline is most on time from PHL to GSO?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 76% | 2.9% | 13 min | 5.9% | 35 |
| PSA AirlinesRegional airline operating American Eagle flights. | 70% | 3.0% | 29 min | 15.6% | 99 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 3pm66%79 flights
- 4pm77%50 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%4.5% cancelled
- Tuesday63%5.9% cancelled
- Wednesday71%5.6% cancelled
- Thursday68%4.3% cancelled
- Friday73%0.0% cancelled
- Saturday78%0.0% cancelled
- Sunday74%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft44%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion16%
- Extreme weather12%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather75%
- Air traffic control & airport congestion25%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
PHL to GSO: common questions
- How often are PHL to GSO flights on time?
- 72% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Philadelphia to Greensboro/High Point cancelled?
- 3.0% of scheduled flights were cancelled (4 of 134).
- How long are typical delays?
- Across all flights the average arrival delay was 24 min (early arrivals count as zero). Flights that were late arrived 83 min behind schedule on average, and 13.1% of flights were an hour or more late.
- How long is taxi time at PHL?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Return trip: GSO to PHL — 65% on time
More flights from Philadelphia
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHL → GSO, nonstop flights by US airlines that report to the DOT. How we calculate this.