Route · MIA → GSP · 2020–2025 BTS data
Miami to Greer
The MIA–GSP corridor (Miami, FL → Greer, SC) runs ahead of the national average, served by 3 carriers across roughly 637 miles.
Data updated 2026-06-13
- 80.8%
- On-time
- +1.8 pts
- vs US avg
- 59 min
- Delay when late
- 1,979
- Flights
Cancelled
0.6%
Best Month
Nov 2024 95%
Worst Month
May 2024 52%
Distance
637 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 65 | 10 | 0 | 1 | YX,MQ |
| Nov 2025 | 64 | 8 | 1 | 0 | MQ,YX |
| Oct 2025 | 57 | 6 | 0 | 0 | MQ |
| Sep 2025 | 32 | 2 | 0 | 0 | MQ |
| Aug 2025 | 63 | 14 | 0 | 0 | YX,MQ |
| Jul 2025 | 65 | 16 | 0 | 0 | YX,MQ |
| Jun 2025 | 64 | 21 | 1 | 0 | YX,MQ |
| May 2025 | 58 | 9 | 0 | 0 | MQ |
| Apr 2025 | 30 | 3 | 0 | 0 | MQ |
| Mar 2025 | 40 | 5 | 0 | 0 | MQ |
| Feb 2025 | 56 | 10 | 0 | 0 | MQ |
| Jan 2025 | 62 | 7 | 1 | 0 | MQ |
| Dec 2024 | 60 | 12 | 0 | 0 | MQ |
| Nov 2024 | 57 | 3 | 0 | 0 | MQ |
| Oct 2024 | 47 | 3 | 0 | 0 | MQ |
| Sep 2024 | 30 | 7 | 1 | 0 | MQ |
| Aug 2024 | 31 | 12 | 0 | 0 | MQ |
| Jul 2024 | 31 | 12 | 0 | 0 | MQ |
| Jun 2024 | 34 | 13 | 1 | 0 | MQ |
| May 2024 | 62 | 30 | 0 | 0 | MQ |
| Apr 2024 | 57 | 6 | 0 | 0 | MQ |
| Mar 2024 | 31 | 11 | 0 | 0 | MQ |
| Jan 2024 | 31 | 2 | 2 | 0 | MQ |
| Dec 2023 | 31 | 9 | 0 | 0 | MQ |
Cancellation Rate
0.6%
7 of 1,158 flights
Diversion Rate
0.1%
1 of 1,158 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MIA - Miami
Full on-time, delay-cause, and seasonal performance for Miami, FL.
Origin airport →GSP - Greer
Full on-time, delay-cause, and seasonal performance for Greer, SC.
Destination airport →Compare the two airports
See MIA and GSP side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to MIA–GSP.
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What the Data Says About MIA to GSP
1,979 tracked flights put the MIA to GSP pairing (Miami to Greer) at a 80.8% on-time rate, squarely in line with the wider network. Delays that do occur run 58.6 minutes on average. Across the 637-mile route and its 3 carriers, the trailing 24 months show 0.6% cancelled and 0.1% diverted (1,158 flights sampled).
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 95% on-time, while May 2024 came in at just 52% - a 43-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.