Route · PHL → GSO · 2020–2025 BTS data
Philadelphia to Greensboro/High Point
The PHL–GSO corridor (Philadelphia, PA → Greensboro/High Point, NC) runs behind the national average, served by 3 carriers across roughly 365 miles.
Data updated 2026-06-13
- 77.5%
- On-time
- -1.5 pts
- vs US avg
- 84 min
- Delay when late
- 502
- Flights
Cancelled
3.6%
Best Month
Mar 2020 92%
Worst Month
Jul 2021 62%
Distance
365 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Jun 2025 | 30 | 16 | 0 | 0 | OH,YX |
| Apr 2022 | 52 | 12 | 0 | 0 | OH,YX |
| Oct 2021 | 33 | 5 | 0 | 0 | OH,YX |
| Sep 2021 | 43 | 14 | 0 | 0 | OH |
| Aug 2021 | 39 | 12 | 2 | 1 | OH |
| Jul 2021 | 52 | 20 | 1 | 0 | OH |
| Jun 2021 | 44 | 11 | 0 | 0 | OH |
| Aug 2020 | 57 | 5 | 2 | 0 | OH,YX |
| Jul 2020 | 59 | 7 | 1 | 0 | OH,YX |
| Mar 2020 | 60 | 5 | 12 | 0 | MQ |
| Feb 2020 | 33 | 6 | 0 | 0 | MQ |
Cancellation Rate
3.6%
18 of 502 flights
Diversion Rate
0.2%
1 of 502 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
Origin airport →GSO - Greensboro/High Point
Full on-time, delay-cause, and seasonal performance for Greensboro/High Point, NC.
Destination airport →Compare the two airports
See PHL and GSO side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHL–GSO.
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What the Data Says About PHL to GSO
The Philadelphia to Greensboro/High Point corridor (PHL to GSO) posts a 77.5% on-time rate on the lower edge of the average band, based on 502 tracked flights. Late flights run 83.9 minutes behind on average. 3 carriers cover the 365-mile route; over the last 24 months, 18 of 502 flights were cancelled (3.6%) and 0.2% diverted.
The monthly split is wide on this route: Mar 2020 posted the strongest performance at 92% on-time, while Jul 2021 came in at just 62% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.