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

Charlotte, NC (CLT) to Greer, SC (GSP) flight delay odds

Historically, 70.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,532 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
70.0%arrived on time
20.0%30+ min late
1.7%cancelled
1,532scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.1%all scheduled flights
120+ minutes late4.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+16.2 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Late morning18181.2%9.9%1.7%
Afternoon27170.1%21.8%1.1%
Evening74765.7%23.4%1.3%
Night32873.2%16.5%2.7%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday22669.9%19.9%1.3%
Tuesday21373.7%17.4%2.3%
Wednesday20279.7%14.4%0.0%
Thursday23471.8%17.5%0.4%
Friday22069.5%20.0%0.9%
Saturday20166.2%22.4%4.0%
Sunday23660.2%27.5%3.0%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
PSA Airlines1,09065.8%23.2%1.6%
American Airlines31477.4%14.0%2.9%
Envoy Air12887.5%7.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202514156.0%39.0%0.0%
August 202511972.3%14.3%0.8%
September 20259985.9%11.1%0.0%
October 202510674.5%17.9%0.0%
November 202515480.5%11.0%0.6%
December 202513567.4%23.7%0.7%
January 202614665.8%13.7%12.3%
February 202613074.6%19.2%1.5%
March 202614570.3%19.3%2.1%
April 202612578.4%9.6%0.0%
May 202612159.5%28.9%0.0%
June 202611156.8%31.5%0.0%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline27.5%
Late aircraft48.3%
National airspace14.5%
Weather9.3%
Security0.5%
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.