Greer (GSP) departure delays

14,214 departures · 22 routes · January 2025 – August 2026

81.32%

Left on time

Within 15 minutes of schedule

2.68%

Cancelled

Share of departures

82 min

When late, late by

Average delayed departure

#128

Rank

Among graded US airports

What the record says about GSP

GSP runs about as well as the average airport here.

The airlines flying from here are not equally affected. Delta Air Lines left on time 32.5 points more often than Allegiant Air from the same airport — which is the clearest evidence available that a delayed departure is not purely the airport's fault.

Which airlines run best out of GSP

Airline	Departures	On time
Delta Air Lines	3,213	90.4%
Southwest Airlines	1,541	86.9%
Republic Airways	2,089	80.9%
PSA Airlines	2,850	78.9%
United Airlines	224	78.2%
Envoy Air	1,832	76.6%
American Airlines	1,096	76.2%
SkyWest Airlines	896	74.9%
Allegiant Air	473	57.9%

Routes out of GSP

GSP → ATL Atlanta 2,818 flights · 90.37% on time A GSP → ORD Chicago 1,797 flights · 74.91% on time D GSP → CLT Charlotte 1,532 flights · 83.71% on time B GSP → DFW Dallas/Fort Worth 1,178 flights · 75.26% on time D GSP → DCA Washington 1,017 flights · 67.12% on time F GSP → LGA New York 934 flights · 76.26% on time F GSP → EWR Newark 769 flights · 85.19% on time C GSP → MIA Miami 725 flights · 80.45% on time C GSP → BWI Baltimore 719 flights · 89.55% on time A GSP → BNA Nashville 607 flights · 85.55% on time B GSP → DTW Detroit 599 flights · 86.11% on time B GSP → PHL Philadelphia 441 flights · 88.89% on time B GSP → DEN Denver 375 flights · 79.61% on time C GSP → HOU Houston 204 flights · 83.58% on time B GSP → SFB Sanford 124 flights · 52.85% on time F GSP → FLL Fort Lauderdale 124 flights · 40.98% on time F GSP → PIE St. Petersburg 121 flights · 57.5% on time F GSP → SRQ Sarasota/Bradenton 104 flights · 84.47% on time B GSP → IAH Houston 20 flights · 100% on time — GSP → MSY New Orleans 3 flights · 100% on time — GSP → BOS Boston 2 flights · 0% on time — GSP → TLH Tallahassee 1 flights · 100% on time —

Common questions

How bad are delays at Greer (GSP)?

81.32% of departures from GSP left within 15 minutes of schedule across 14,214 flights. That is better than most airports in this record.

Which airline is most punctual from GSP?

Delta Air Lines, at 90.4% on time from this airport. The least punctual was Allegiant Air at 57.9%.

How often are flights from GSP cancelled?

2.68% of scheduled departures did not operate.

Month by month

Jul 2025 peak 89 Jun 2026

On-time departure rate, %