Route · DCA → HHH · 2020–2025 BTS data
Washington to Hilton Head
The DCA–HHH corridor (Washington, DC → Hilton Head, SC) runs ahead of the national average, served by 3 carriers across roughly 501 miles.
Data updated 2026-06-13
- 86.8%
- On-time
- +7.8 pts
- vs US avg
- 53 min
- Delay when late
- 940
- Flights
Cancelled
1.7%
Best Month
N/A
Worst Month
N/A
Distance
501 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Nov 2025 | 30 | 4 | 0 | 0 | MQ,YX |
| Oct 2025 | 32 | 2 | 0 | 0 | YX,MQ |
| Sep 2025 | 34 | 3 | 1 | 0 | MQ,YX |
| Aug 2025 | 32 | 2 | 0 | 0 | YX,MQ |
| Jul 2025 | 35 | 5 | 0 | 2 | YX,MQ |
| Jun 2025 | 46 | 11 | 0 | 0 | YX,MQ |
| May 2025 | 31 | 5 | 1 | 0 | YX |
| Apr 2025 | 30 | 2 | 0 | 1 | YX |
| Aug 2024 | 36 | 8 | 2 | 0 | MQ,YX |
| Jul 2024 | 35 | 4 | 0 | 0 | MQ,YX |
| Jun 2024 | 34 | 6 | 1 | 0 | MQ,YX |
| May 2024 | 31 | 2 | 0 | 0 | MQ,YX |
| Apr 2024 | 30 | 4 | 0 | 1 | YX |
| Mar 2024 | 31 | 4 | 0 | 1 | YX |
| Sep 2023 | 31 | 3 | 2 | 0 | YX |
| Aug 2023 | 35 | 2 | 1 | 0 | YX |
| Jul 2023 | 36 | 3 | 1 | 0 | YX |
| Jun 2023 | 34 | 3 | 2 | 0 | YX |
| May 2023 | 31 | 2 | 0 | 0 | YX |
| Oct 2022 | 32 | 1 | 0 | 0 | YX |
| Sep 2022 | 35 | 0 | 2 | 1 | YX |
| Aug 2022 | 37 | 9 | 0 | 0 | YX |
| Jul 2022 | 40 | 10 | 0 | 0 | YX |
| Jun 2022 | 35 | 6 | 1 | 1 | YX |
Cancellation Rate
1.7%
14 of 813 flights
Diversion Rate
0.9%
7 of 813 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 →HHH - Hilton Head
Full on-time, delay-cause, and seasonal performance for Hilton Head, SC.
Destination airport →Compare the two airports
See DCA and HHH 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–HHH.
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What the Data Says About DCA to HHH
Washington to Hilton Head (DCA to HHH) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 86.8% on-time rate across 940 flights, with delays that do happen averaging 53.4 minutes. The corridor runs roughly 501 miles and is served by 3 carriers. Over the most recent 24 months, 14 of 813 flights were cancelled (1.7%) and 7 diverted (0.9%).
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 DCA to HHH? ▼
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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.