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

Greer, SC (GSP) to Miami, FL (MIA) flight delay odds

79.4% of 725 official scheduled GSP-to-MIA flights arrived on time; 10.1% arrived at least 30 minutes late and 1.2% 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 SIGNALGenerally reliable
79.4%arrived on time
10.1%30+ min late
1.2%cancelled
725scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.3%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+4.9 mincompleted flights

Which departure time was most reliable for GSP to MIA?

Among qualifying GSP-to-MIA departure window results, Early morning had the highest on-time rate: 87.1% of 364 flights. Evening was lowest at 68.3% across 268 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36487.1%6.0%1.1%
Late morning4484.1%4.5%0.0%
Afternoon4979.6%12.2%2.0%
Evening26868.3%16.0%1.5%

Which weekday was most reliable for GSP to MIA?

Among qualifying GSP-to-MIA weekday results, Tuesday had the highest on-time rate: 85.4% of 103 flights. Saturday was lowest at 73.5% across 132 flights.

DayFlightsOn time30+ minCancelled
Monday10083.0%8.0%3.0%
Tuesday10385.4%6.8%0.0%
Wednesday9782.5%6.2%0.0%
Thursday9875.5%8.2%0.0%
Friday9877.6%12.2%0.0%
Saturday13273.5%15.2%2.3%
Sunday9780.4%12.4%3.1%

Which airline was most reliable for GSP to MIA?

Only Envoy Air met the GSP-to-MIA airline threshold: 79.5% of 704 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Envoy Air70479.5%10.2%1.0%
Republic Airways2176.2%4.8%9.5%

Which month was most reliable for GSP to MIA?

Among qualifying GSP-to-MIA month results, September 2025 had the highest on-time rate: 96.9% of 32 flights. January 2026 was lowest at 55.2% across 67 flights.

MonthFlightsOn time30+ minCancelled
July 20256575.4%10.8%0.0%
August 20256384.1%6.3%0.0%
September 20253296.9%3.1%0.0%
October 20255796.5%3.5%0.0%
November 20256382.5%11.1%1.6%
December 20256583.1%3.1%0.0%
January 20266755.2%17.9%7.5%
February 20266078.3%15.0%1.7%
March 20266570.8%12.3%3.1%
April 20266083.3%11.7%0.0%
May 20266485.9%3.1%0.0%
June 20266473.4%18.8%0.0%

What drove GSP to MIA delay minutes?

Airline was the largest recorded GSP-to-MIA delay category, accounting for 49.7% of 8,590 BTS-attributed delay minutes during July 2025–June 2026.

Airline49.7%
Late aircraft37.9%
National airspace10.8%
Weather1.7%
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.