Greenville-Spartanburg International in October 2023

90.7%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 October 2023, reporting carriers scheduled 1,228 domestic departures from Greenville-Spartanburg International (GSP). 90.7% left less than 15 minutes late and 88.1% reached their destination on time; 0.1% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so GSP departures were 6.9 points above the national departure figure.

Flights arriving at GSP that month were on time 87.3% of the time (1,227 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 37% and national aviation system 18%.

On time 88.1%
Arrived 15+ minutes late 11.6%
Cancelled 0.1%
Diverted 0.2%

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

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

Measure	Oct 2023	Year earlier	GSP, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	90.7%	—	79.0%	83.8%
Arrived on time	88.1%	—	78.9%	84.0%
Cancelled	0.1%	—	2.7%	0.4%
Average departure delay (late minutes only)	7.6 min	—	16.1 min	11.0 min
Scheduled departures a day	41	—	39	19,966
Scheduled departures	1,228	—	14,201	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	320	26%	84.1%	4.2 min	0.0%
DL Delta Air Lines	220	18%	95.0%	-5.4 min	0.0%
YX Republic Airline	181	15%	90.6%	-6.0 min	0.0%
WN Southwest Airlines	108	9%	87.0%	-2.2 min	0.0%
OO SkyWest Airlines	90	7%	91.1%	0.2 min	0.0%
9E Endeavor Air	81	7%	95.1%	-8.3 min	0.0%
MQ Envoy Air	76	6%	89.5%	-8.4 min	0.0%
AA American Airlines	70	6%	65.7%	7.8 min	1.4%
UA United Airlines	64	5%	95.3%	-12.8 min	0.0%
G4 Allegiant Air	18	1%	66.7%	10.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GSP–ATL	Greer to Atlanta	256	92.2%	-5.0 min	0.0%
GSP–CLT	Greer to Charlotte	235	81.3%	7.7 min	0.0%
GSP–LGA	Greer to New York	138	89.9%	-5.4 min	0.0%
GSP–ORD	Greer to Chicago	99	87.9%	-3.1 min	0.0%
GSP–EWR	Greer to Newark	93	95.7%	-11.9 min	0.0%
GSP–DCA	Greer to Washington	89	87.6%	-1.3 min	0.0%
GSP–DFW	Greer to Dallas/Fort Worth	88	73.9%	3.3 min	1.1%
GSP–PHL	Greer to Philadelphia	55	96.4%	-11.0 min	0.0%
GSP–DTW	Greer to Detroit	50	96.0%	-5.6 min	0.0%
GSP–BWI	Greer to Baltimore	36	88.9%	-0.8 min	0.0%
GSP–DEN	Greer to Denver	31	93.5%	2.4 min	0.0%
GSP–IAH	Greer to Houston	31	93.5%	-11.6 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), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	36.9%	41.3%	3,205
Late-arriving aircraft	42.2%	40.5%	3,661
National Aviation System	18.0%	14.4%	1,565
Extreme weather	2.7%	3.7%	235
Security	0.2%	0.2%	18

8,684 delay minutes on 143 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 October 2023?

90.7% of 1,228 scheduled domestic departures left less than 15 minutes late, and 88.1% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 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 October 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.