Route · DTW → GSP · 2020–2025 BTS data
Detroit to Greer
The DTW–GSP corridor (Detroit, MI → Greer, SC) runs ahead of the national average, served by 15 carriers across roughly 508 miles.
Data updated 2026-06-13
- 84.3%
- On-time
- +5.3 pts
- vs US avg
- 80 min
- Delay when late
- 2,873
- Flights
Cancelled
0.8%
Best Month
Oct 2024 97%
Worst Month
Dec 2025 61%
Distance
508 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 57 | 22 | 1 | 0 | DL,OO |
| Nov 2025 | 47 | 16 | 4 | 0 | OO,DL |
| Oct 2025 | 37 | 8 | 0 | 0 | OO,DL |
| Sep 2025 | 52 | 8 | 0 | 0 | OO,DL |
| Aug 2025 | 65 | 10 | 0 | 0 | OO,DL |
| Jul 2025 | 80 | 20 | 1 | 1 | DL,OO |
| Jun 2025 | 75 | 24 | 0 | 0 | OO,DL |
| May 2025 | 50 | 9 | 0 | 0 | DL,OO |
| Dec 2024 | 75 | 16 | 0 | 2 | 9E,OO |
| Nov 2024 | 75 | 5 | 0 | 0 | 9E |
| Oct 2024 | 73 | 2 | 0 | 0 | OO,9E |
| Sep 2024 | 67 | 10 | 1 | 0 | OO,9E,DL |
| Aug 2024 | 72 | 20 | 0 | 1 | DL,9E,OO |
| Jul 2024 | 68 | 25 | 4 | 1 | 9E,DL,OO |
| Jun 2024 | 67 | 14 | 0 | 0 | 9E,DL,OO |
| May 2024 | 57 | 10 | 0 | 0 | 9E,DL,OO |
| Apr 2024 | 48 | 2 | 0 | 0 | 9E,DL,OO |
| Nov 2023 | 45 | 4 | 0 | 0 | 9E,DL,OO |
| Oct 2023 | 50 | 2 | 0 | 0 | 9E,DL,OO |
| Sep 2023 | 54 | 6 | 0 | 0 | 9E,DL,OO |
| Aug 2023 | 58 | 9 | 0 | 0 | 9E,DL,OO |
| Jul 2023 | 52 | 12 | 0 | 0 | 9E,DL,OO |
| Jun 2023 | 56 | 14 | 0 | 0 | 9E,DL,OO |
| May 2023 | 50 | 5 | 1 | 0 | DL,OO |
Cancellation Rate
0.8%
12 of 1,430 flights
Diversion Rate
0.3%
5 of 1,430 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
Origin airport →GSP - Greer
Full on-time, delay-cause, and seasonal performance for Greer, SC.
Destination airport →Compare the two airports
See DTW 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 DTW–GSP.
Routes with a similar on-time rate
What the Data Says About DTW to GSP
Bureau of Transportation Statistics records show Detroit to Greer (DTW to GSP) running a 84.3% on-time rate over 2,873 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 79.8 minutes. The 508-mile corridor is served by 15 carriers, and over the last 24 months 0.8% of 1,430 flights were cancelled, 0.3% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 97% on-time, while Dec 2025 came in at just 61% - a 36-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.