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Route · PHL → GSO · 2020–2025 BTS data

Philadelphia to Greensboro/High Point

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PHL to GSO (Philadelphia to Greensboro/High Point) ranks #4922 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

77.5%
On-time
-1.5 pts
vs US avg
84 min
Delay when late
502
Flights
#4922 of 4927
Corpus placement

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

PHL–GSO seasonal on-time pattern

Best: March (91.7%) · weakest: June (63.5%)

60%70%80%90%100% FebMarAprJunJulAugSepOct 84.8%

Strongest calendar month

March

91.7% on-time · ~60 flights/mo

Busiest calendar month

March

~60 flights/mo avg

Weakest calendar month

June

63.5% on-time · ~37 flights/mo

Cancellation Rate

3.6%

18 of 502 flights

Diversion Rate

0.2%

1 of 502 flights

Origin-hub reliability standing

Mid-pack among PHL departures

From PHL, this corridor sits with 60 other 75–85% on-time routes out of 65 tracked departures, not the hub's reliability leaders (4 at ≥85%) and not the softest ( 1 below 75%). Destination: Greensboro/High Point · fleet on-time rank #3976 of 4927.

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.

On the multi-year calendar, PHL–GSO peaks in March at 91.7% on-time ; the softest month is June at 63.5%, a 28.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PHL to GSO rank among US routes by traffic?
According to PlainFlights' route traffic ranking, PHL to GSO ranks #4922 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from PHL to GSO?
Flights from Philadelphia to Greensboro/High Point have a 77.5% on-time rate based on 502 flights. The average delay is 83.9 minutes. The best recent month was Mar 2020 with 92% on-time.
What is the cancellation rate for PHL to GSO?
Over the last 24 months, 3.6% of flights on this route were cancelled (18 of 502 flights) and 0.2% were diverted.
How far is the flight from PHL to GSO?
The flight distance from Philadelphia (PHL) to Greensboro/High Point (GSO) is approximately 365 miles. This route is served by 3 carriers.
When is the best time to fly from PHL to GSO?
The best recent month for on-time performance was Mar 2020 (92% on-time). The worst was Jul 2021 (62% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using PHL–GSO data

PHL–GSO is mid-pack at 77.5% on-time; month and carrier mix move more than the corridor headline.

  • Compare PHL and GSO airport profiles: delay causes and top routes differ even on the same corridor. PHL airport
  • If your dates flex, March (91.7% on-time) beats June (63.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 77.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.