Piedmont Triad International in May 2026

85.0%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In May 2026, reporting carriers scheduled 944 domestic departures from Piedmont Triad International (GSO). 85.0% left less than 15 minutes late and 84.1% reached their destination on time; 1.4% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so GSO departures were 7.9 points above the national departure figure.

A year earlier, in May 2025, the airport had 914 departures with 80.1% leaving on time: a change of +4.9 points, with flights up 3%.

Flights arriving at GSO that month were on time 82.0% of the time (941 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, national aviation system 27% and air carrier 19%.

On time 84.1%
Arrived 15+ minutes late 14.3%
Cancelled 1.4%
Diverted 0.2%

Every scheduled departure from GSO in May 2026, judged by arrival at the destination.

May 2026 against a year earlier, the airport's year and the nation

Measure	May 2026	May 2025	GSO, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	85.0%	80.1%	79.6%	77.1%
Arrived on time	84.1%	78.7%	78.3%	77.6%
Cancelled	1.4%	1.9%	3.3%	0.9%
Average departure delay (late minutes only)	11.8 min	18.6 min	16.0 min	16.0 min
Scheduled departures a day	32	31	29	20,391
Scheduled departures	944	914	10,480	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	248	26%	86.3%	-4.0 min	2.0%
YX Republic Airline	241	26%	86.7%	-2.8 min	0.8%
MQ Envoy Air	214	23%	85.5%	0.5 min	0.5%
AA American Airlines	112	12%	82.1%	-3.1 min	2.7%
OH PSA Airlines	79	8%	78.5%	2.3 min	1.3%
OO SkyWest Airlines	41	4%	75.6%	11.5 min	2.4%
G4 Allegiant Air	9	1%	33.3%	30.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GSO–ATL	Greensboro/High Point to Atlanta	248	86.3%	-4.0 min	2.0%
GSO–ORD	Greensboro/High Point to Chicago	176	86.9%	0.6 min	1.7%
GSO–CLT	Greensboro/High Point to Charlotte	124	89.5%	-7.3 min	0.0%
GSO–LGA	Greensboro/High Point to New York	117	84.6%	-4.1 min	0.9%
GSO–DFW	Greensboro/High Point to Dallas/Fort Worth	93	76.3%	4.6 min	3.2%
GSO–EWR	Greensboro/High Point to Newark	69	89.9%	-0.7 min	0.0%
GSO–DCA	Greensboro/High Point to Washington	56	69.6%	13.0 min	1.8%
GSO–MIA	Greensboro/High Point to Miami	43	86.0%	-4.7 min	0.0%
GSO–PHL	Greensboro/High Point to Philadelphia	9	55.6%	15.7 min	0.0%
GSO–PIE	Greensboro/High Point to St. Petersburg	9	33.3%	30.2 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	19.2%	33.0%	2,004
Late-arriving aircraft	44.2%	40.4%	4,602
National Aviation System	27.4%	20.5%	2,856
Extreme weather	9.2%	6.0%	959
Security	0.0%	0.1%	0

10,421 delay minutes on 135 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left GSO on time in May 2026?

85.0% of 944 scheduled domestic departures left less than 15 minutes late, and 84.1% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 80.1% of 914 departures left on time and 1.9% were cancelled, against 85.0% and 1.4% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for GSO · methodology · corrections.