BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
DEN→GSP

Denver, CO (DEN) to Greer, SC (GSP) flight delay odds

84.5% of 375 official scheduled DEN-to-GSP flights arrived on time; 6.4% arrived at least 30 minutes late and 1.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
84.5%arrived on time
6.4%30+ min late
1.1%cancelled
375scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late2.9%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+1.2 mincompleted flights

Which departure time was most reliable for DEN to GSP?

Only Late morning met the DEN-to-GSP departure window threshold: 84.5% of 375 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Late morning37584.5%6.4%1.1%

Which weekday was most reliable for DEN to GSP?

Among qualifying DEN-to-GSP weekday results, Tuesday had the highest on-time rate: 92.5% of 53 flights. Saturday was lowest at 75.4% across 57 flights.

DayFlightsOn time30+ minCancelled
Monday5286.5%9.6%0.0%
Tuesday5392.5%0.0%0.0%
Wednesday5292.3%5.8%0.0%
Thursday5284.6%3.8%0.0%
Friday5282.7%3.8%1.9%
Saturday5775.4%12.3%1.8%
Sunday5778.9%8.8%3.5%

Which airline was most reliable for DEN to GSP?

Among qualifying DEN-to-GSP airline results, SkyWest Airlines had the highest on-time rate: 85.2% of 142 flights. United Airlines was lowest at 84.3% across 223 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines22384.3%6.7%0.0%
SkyWest Airlines14285.2%5.6%2.8%
Southwest Airlines1080.0%10.0%0.0%

Which month was most reliable for DEN to GSP?

Among qualifying DEN-to-GSP month results, April 2026 had the highest on-time rate: 100.0% of 30 flights. June 2026 was lowest at 76.7% across 30 flights.

MonthFlightsOn time30+ minCancelled
July 20253976.9%15.4%0.0%
August 20253378.8%9.1%0.0%
September 20253090.0%3.3%0.0%
October 20253183.9%6.5%0.0%
November 20253090.0%0.0%0.0%
December 20253190.3%9.7%0.0%
January 20263177.4%3.2%6.5%
February 20262882.1%3.6%0.0%
March 20263177.4%12.9%6.5%
April 202630100.0%0.0%0.0%
May 20263193.5%6.5%0.0%
June 20263076.7%3.3%0.0%

What drove DEN to GSP delay minutes?

Airline was the largest recorded DEN-to-GSP delay category, accounting for 53.0% of 2,505 BTS-attributed delay minutes during July 2025–June 2026.

Airline53.0%
Late aircraft28.5%
National airspace18.5%
Weather0.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.