Route · DCA → GSP · 2020–2025 BTS data
Washington to Greer
The DCA–GSP corridor (Washington, DC → Greer, SC) runs behind the national average, served by 8 carriers across roughly 396 miles.
Data updated 2026-06-13
- 76%
- On-time
- -3 pts
- vs US avg
- 78 min
- Delay when late
- 4,568
- Flights
Cancelled
3.9%
Best Month
Oct 2024 86%
Worst Month
Dec 2025 54%
Distance
396 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 76 | 35 | 3 | 0 | OH |
| Nov 2025 | 84 | 25 | 3 | 0 | OH,YX |
| Oct 2025 | 90 | 22 | 0 | 0 | OH,YX |
| Sep 2025 | 90 | 23 | 1 | 0 | OH,YX |
| Aug 2025 | 84 | 21 | 3 | 1 | AA,MQ,OH |
| Jul 2025 | 88 | 38 | 13 | 0 | OH,MQ |
| Jun 2025 | 90 | 34 | 11 | 0 | OH |
| May 2025 | 88 | 33 | 3 | 0 | OH |
| Apr 2025 | 86 | 17 | 1 | 0 | OH |
| Mar 2025 | 88 | 27 | 4 | 1 | OH |
| Feb 2025 | 69 | 31 | 7 | 0 | OH |
| Jan 2025 | 66 | 22 | 7 | 0 | OH |
| Dec 2024 | 85 | 29 | 1 | 2 | OH |
| Nov 2024 | 82 | 12 | 0 | 0 | OH |
| Oct 2024 | 88 | 12 | 0 | 0 | OH |
| Sep 2024 | 86 | 15 | 0 | 0 | OH |
| Aug 2024 | 87 | 25 | 4 | 0 | OH |
| Jul 2024 | 84 | 29 | 2 | 1 | OH |
| Jun 2024 | 79 | 16 | 2 | 0 | OH |
| May 2024 | 85 | 28 | 2 | 0 | OH |
| Apr 2024 | 82 | 17 | 0 | 0 | OH |
| Mar 2024 | 81 | 18 | 0 | 0 | OH,YX |
| Feb 2024 | 79 | 15 | 0 | 0 | OH,YX |
| Jan 2024 | 83 | 17 | 10 | 0 | YX,OH |
Cancellation Rate
3.9%
77 of 2,000 flights
Diversion Rate
0.3%
5 of 2,000 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Origin airport →GSP - Greer
Full on-time, delay-cause, and seasonal performance for Greer, SC.
Destination airport →Compare the two airports
See DCA 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 DCA–GSP.
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What the Data Says About DCA to GSP
The Washington to Greer corridor (DCA to GSP) posts a 76% on-time rate on the lower edge of the average band, based on 4,568 tracked flights. Late flights run 77.6 minutes behind on average. 8 carriers cover the 396-mile route; over the last 24 months, 77 of 2,000 flights were cancelled (3.9%) and 0.3% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 86% on-time, while Dec 2025 came in at just 54% - a 32-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.