Greenville-Spartanburg International in August 2023

86.4%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 August 2023, reporting carriers scheduled 1,167 domestic departures from Greenville-Spartanburg International (GSP). 86.4% left less than 15 minutes late and 84.8% reached their destination on time; 1.2% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so GSP departures were 9.7 points above the national departure figure.

Flights arriving at GSP that month were on time 79.1% of the time (1,167 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 34%, air carrier 34% and national aviation system 23%.

On time 84.8%
Arrived 15+ minutes late 13.7%
Cancelled 1.2%
Diverted 0.3%

Every scheduled departure from GSP in August 2023, judged by arrival at the destination.

August 2023 against a year earlier, the airport's year and the nation

Measure	Aug 2023	Year earlier	GSP, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	86.4%	—	79.0%	76.7%
Arrived on time	84.8%	—	78.9%	76.9%
Cancelled	1.2%	—	2.7%	1.5%
Average departure delay (late minutes only)	10.9 min	—	16.1 min	17.3 min
Scheduled departures a day	39	—	39	20,100
Scheduled departures	1,167	—	14,201	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	222	19%	87.4%	0.3 min	2.3%
OH PSA Airlines	196	17%	87.2%	1.3 min	0.5%
YX Republic Airline	168	14%	88.7%	-3.3 min	1.8%
AA American Airlines	123	11%	74.0%	17.6 min	0.0%
9E Endeavor Air	104	9%	81.7%	4.8 min	2.9%
MQ Envoy Air	104	9%	86.5%	3.4 min	0.0%
WN Southwest Airlines	101	9%	84.2%	-0.2 min	1.0%
OO SkyWest Airlines	66	6%	80.3%	-2.2 min	1.5%
UA United Airlines	62	5%	93.5%	-8.2 min	0.0%
G4 Allegiant Air	21	2%	66.7%	4.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GSP–ATL	Greer to Atlanta	255	84.3%	0.7 min	2.4%
GSP–CLT	Greer to Charlotte	201	80.6%	11.0 min	0.0%
GSP–LGA	Greer to New York	139	85.6%	1.5 min	2.9%
GSP–ORD	Greer to Chicago	93	86.0%	-3.3 min	1.1%
GSP–DCA	Greer to Washington	89	86.5%	-3.5 min	3.4%
GSP–EWR	Greer to Newark	89	92.1%	-5.7 min	0.0%
GSP–DFW	Greer to Dallas/Fort Worth	62	79.0%	10.1 min	0.0%
GSP–DTW	Greer to Detroit	58	87.9%	2.6 min	0.0%
GSP–BWI	Greer to Baltimore	31	93.5%	-1.9 min	0.0%
GSP–DEN	Greer to Denver	31	67.7%	6.7 min	0.0%
GSP–IAH	Greer to Houston	31	100.0%	-18.5 min	0.0%
GSP–MIA	Greer to Miami	31	87.1%	16.3 min	0.0%

By scheduled departure hour

100

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	34.3%	36.7%	4,092
Late-arriving aircraft	34.4%	42.2%	4,112
National Aviation System	23.4%	15.7%	2,797
Extreme weather	7.9%	5.1%	940
Security	0.0%	0.2%	5

11,946 delay minutes on 160 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 GSP on time in August 2023?

86.4% of 1,167 scheduled domestic departures left less than 15 minutes late, and 84.8% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for GSP · methodology · corrections.