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

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

79.9% of 726 official scheduled MIA-to-GSP flights arrived on time; 10.7% 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
79.9%arrived on time
10.7%30+ min late
1.2%cancelled
726scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.9%all scheduled flights
120+ minutes late0.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival-0.0 mincompleted flights

Which departure time was most reliable for MIA to GSP?

Among qualifying MIA-to-GSP departure window results, Late morning had the highest on-time rate: 86.4% of 44 flights. Evening was lowest at 74.5% across 102 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning4486.4%2.3%2.3%
Afternoon20478.4%11.8%2.0%
Evening10274.5%16.7%0.0%
Night36180.6%10.0%1.1%

Which weekday was most reliable for MIA to GSP?

Among qualifying MIA-to-GSP weekday results, Tuesday had the highest on-time rate: 89.2% of 102 flights. Sunday was lowest at 64.3% across 98 flights.

DayFlightsOn time30+ minCancelled
Monday10086.0%6.0%1.0%
Tuesday10289.2%5.9%0.0%
Wednesday9886.7%7.1%0.0%
Thursday9879.6%11.2%0.0%
Friday9874.5%16.3%0.0%
Saturday13278.8%11.4%3.8%
Sunday9864.3%17.3%3.1%

Which airline was most reliable for MIA to GSP?

Only Envoy Air met the MIA-to-GSP airline threshold: 80.1% of 705 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Envoy Air70580.1%10.6%1.0%
Republic Airways2171.4%14.3%9.5%

Which month was most reliable for MIA to GSP?

Among qualifying MIA-to-GSP month results, September 2025 had the highest on-time rate: 93.8% of 32 flights. January 2026 was lowest at 56.7% across 67 flights.

MonthFlightsOn time30+ minCancelled
July 20256575.4%18.5%0.0%
August 20256377.8%11.1%0.0%
September 20253293.8%3.1%0.0%
October 20255789.5%10.5%0.0%
November 20256485.9%1.6%1.6%
December 20256583.1%9.2%0.0%
January 20266756.7%25.4%9.0%
February 20266078.3%11.7%0.0%
March 20266572.3%10.8%3.1%
April 20266091.7%5.0%0.0%
May 20266482.8%6.2%0.0%
June 20266481.2%10.9%0.0%

What drove MIA to GSP delay minutes?

Late aircraft was the largest recorded MIA-to-GSP delay category, accounting for 44.9% of 5,556 BTS-attributed delay minutes during July 2025–June 2026.

Airline19.5%
Late aircraft44.9%
National airspace31.3%
Weather4.3%
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.