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Route Reliability

Miami → Greenville

MIA–GSP · 637 miles · Miami International Airport to Greenville–Spartanburg International Airport

83
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
1 min
Average arrival delay
1.4%
Cancelled
726
Flights in the data

Data through May 2026.

American Airlines is the only airline in this data on this route, arriving on time 81% of the time across 726 flights. No comparison to make.

What the data says

Morning flights do better here.

MIA–GSP flights departing between 6–9 AM arrived on time 100% of the time, versus 75% between 6–9 PM.

Sunday scaries are real for this one.

MIA–GSP flights arrived on time 90% of the time on Tuesdays and just 68% on Sundays. That gap is worth planning around.

Trending in the right direction.

MIA–GSP flights arrived on time 85% of the time over the last three months in the data, compared with 76% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon87%(98 flights)
  • Tue90%(100 flights)
  • Wed86%(98 flights)
  • Thu80%(98 flights)
  • Fri75%(98 flights)
  • Sat82%(127 flights)
  • Sun68%(96 flights)
On-time by departure window
  • 6–9 AM100%(15 flights)
  • 9 AM–12 PM90%(39 flights)
  • 12–3 PM91%(35 flights)
  • 3–6 PM77%(258 flights)
  • 6–9 PM75%(12 flights)
  • 9 PM–12 AM81%(356 flights)
On-time trend by month
83%
May

Jun 68% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%63
July 202577%65
August 202579%63
September 202594%32
October 202590%57
November 202589%63
December 202584%64
January 202662%61
February 202682%60
March 202679%63
April 202692%60
May 202683%64

Same trip, other airports

Keep nerding

Based on 726 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.