Route · DEN → GSP · 2020–2025 BTS data
Denver to Greer
The DEN–GSP corridor (Denver, CO → Greer, SC) runs behind the national average, served by 12 carriers across roughly 1,278 miles.
Data updated 2026-06-13
- 78%
- On-time
- -1 pts
- vs US avg
- 61 min
- Delay when late
- 1,692
- Flights
Cancelled
0.3%
Best Month
N/A
Worst Month
N/A
Distance
1,278 mi
Carriers
12
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 31 | 3 | 0 | 0 | UA,OO |
| Nov 2025 | 30 | 3 | 0 | 0 | UA |
| Oct 2025 | 31 | 5 | 0 | 0 | UA |
| Sep 2025 | 30 | 3 | 0 | 0 | UA |
| Aug 2025 | 33 | 7 | 0 | 0 | WN,UA |
| Jul 2025 | 39 | 9 | 0 | 0 | UA,WN |
| Jun 2025 | 38 | 7 | 0 | 0 | UA,WN |
| May 2025 | 31 | 1 | 0 | 0 | OO,UA |
| Apr 2025 | 30 | 5 | 0 | 0 | OO |
| Mar 2025 | 31 | 5 | 0 | 0 | OO |
| Jan 2025 | 31 | 8 | 1 | 0 | OO |
| Dec 2024 | 31 | 0 | 0 | 0 | OO |
| Nov 2024 | 30 | 6 | 0 | 0 | OO |
| Oct 2024 | 31 | 3 | 0 | 1 | OO |
| Sep 2024 | 30 | 3 | 0 | 0 | OO |
| Aug 2024 | 33 | 9 | 0 | 0 | WN,OO |
| Jul 2024 | 39 | 4 | 0 | 0 | OO,WN |
| Jun 2024 | 38 | 7 | 0 | 0 | OO,WN |
| May 2024 | 31 | 7 | 0 | 0 | OO,UA |
| Apr 2024 | 30 | 5 | 0 | 0 | OO |
| Mar 2024 | 31 | 6 | 1 | 0 | OO |
| Jan 2024 | 31 | 6 | 0 | 0 | OO |
| Dec 2023 | 31 | 7 | 0 | 0 | OO |
| Oct 2023 | 31 | 3 | 0 | 0 | OO |
Cancellation Rate
0.3%
2 of 772 flights
Diversion Rate
0.1%
1 of 772 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Origin airport →GSP - Greer
Full on-time, delay-cause, and seasonal performance for Greer, SC.
Destination airport →Compare the two airports
See DEN 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 DEN–GSP.
Routes with a similar on-time rate
What the Data Says About DEN to GSP
The Denver to Greer corridor (DEN to GSP) posts a 78% on-time rate on the lower edge of the average band, based on 1,692 tracked flights. Late flights run 61.3 minutes behind on average. 12 carriers cover the 1,278-mile route; over the last 24 months, 2 of 772 flights were cancelled (0.3%) and 0.1% diverted.
Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.
Frequently Asked Questions
How often are flights delayed from DEN to GSP? ▼
What is the cancellation rate for DEN to GSP? ▼
How far is the flight from DEN to GSP? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.