FlightRecord

Piedmont Triad International Airport (GSO): Delays & On-Time Performance

Data through May 2026

Piedmont Triad International Airport (GSO) is a tale of two seasons: departures ran 91% on-time in November 2024 but sank to 73% in July 2024. Across the year it averages 84% against a national 78%, over roughly 29 departures a day to 14 destinations.

Departures on-time
84%
left <15 min late
Avg dep delay
15 min
Arrivals on-time
77%
Cancelled
2.6%
Destinations
14
nonstop
Airlines
8

Monthly on-time trend

Monthly departure on-time percentage at GSO50%75%100%June 2024: 84% on-time (1,029 flights)84Jun 2024July 2024: 73% on-time (1,056 flights)73August 2024: 82% on-time (1,095 flights)82September 2024: 87% on-time (1,064 flights)87Sep 2024October 2024: 91% on-time (1,087 flights)91November 2024: 91% on-time (943 flights)91December 2024: 82% on-time (920 flights)82Dec 2024January 2025: 87% on-time (726 flights)87February 2025: 86% on-time (704 flights)86March 2025: 86% on-time (851 flights)86Mar 2025April 2025: 84% on-time (856 flights)84May 2025: 82% on-time (914 flights)82June 2025: 76% on-time (840 flights)76Jun 2025July 2025: 80% on-time (877 flights)80August 2025: 83% on-time (868 flights)83September 2025: 91% on-time (914 flights)91Sep 2025October 2025: 82% on-time (1,051 flights)82November 2025: 82% on-time (961 flights)82December 2025: 77% on-time (806 flights)77Dec 2025January 2026: 84% on-time (784 flights)84February 2026: 85% on-time (749 flights)85March 2026: 81% on-time (816 flights)81Mar 2026April 2026: 85% on-time (943 flights)85May 2026: 86% on-time (944 flights)86

Best time of day to depart from GSO

On-time percentage by scheduled departure hour at GSO5 a.m.: 92% on-time (1,338 flights)56 a.m.: 93% on-time (3,790 flights)67 a.m.: 93% on-time (2,448 flights)78 a.m.: 92% on-time (1,446 flights)89 a.m.: 90% on-time (251 flights)910 a.m.: 85% on-time (1,741 flights)1011 a.m.: 83% on-time (1,115 flights)1112 p.m.: 85% on-time (1,313 flights)121 p.m.: 78% on-time (280 flights)132 p.m.: 82% on-time (1,314 flights)143 p.m.: 71% on-time (401 flights)154 p.m.: 74% on-time (846 flights)165 p.m.: 72% on-time (2,177 flights)176 p.m.: 70% on-time (1,909 flights)187 p.m.: 76% on-time (785 flights)198 p.m.: 70% on-time (571 flights)20scheduled departure hour

Busiest routes from GSO

RouteFlights/12moOn-timeAvg delay
GSO → ATL2,74889%11 min
GSO → LGA1,86380%17 min
GSO → ORD1,54376%18 min
GSO → CLT1,16679%17 min
GSO → DFW93077%22 min
GSO → DCA80474%25 min
GSO → MIA47789%7 min
GSO → DTW42482%20 min

Most reliable routes

  1. GSO → MIA89%
  2. GSO → ATL89%
  3. GSO → DEN88%
  4. GSO → EWR85%
  5. GSO → DTW82%

Most delay-prone routes

  1. GSO → PIE60%
  2. GSO → PHL72%
  3. GSO → DCA74%
  4. GSO → ORD76%
  5. GSO → DFW77%

Airline performance at GSO

AirlineOn-time departuresAvg delayFlights
Delta Air Lines87%12 min5,260
Envoy Air87%11 min3,449
Endeavor Air86%12 min964
SkyWest Airlines84%16 min2,122
Republic Airways84%14 min3,991
PSA Airlines83%19 min3,397
American Airlines75%25 min2,374
Allegiant Air60%44 min241

Frequently asked questions

How often are flights delayed at GSO?
16% of departures from Piedmont Triad International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 15 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from GSO?
Flights scheduled around 7 a.m. depart on time 93% of the time at GSO, versus 70% around 6 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at GSO?
In this dataset, July 2024 was the weakest month at GSO, with 73% of departures on time.
How often are flights cancelled at GSO?
2.6% of scheduled departures from GSO were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 21,798 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.