Route · HHH → DCA · 2020–2025 BTS data
Hilton Head to Washington
The HHH–DCA corridor (Hilton Head, SC → Washington, DC) runs ahead of the national average, served by 3 carriers across roughly 501 miles.
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 88 min
- Delay when late
- 940
- Flights
Cancelled
2.2%
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 | 5 | 0 | 1 | MQ,YX |
| Oct 2025 | 32 | 2 | 0 | 0 | YX,MQ |
| Sep 2025 | 34 | 2 | 1 | 0 | MQ,YX |
| Aug 2025 | 32 | 2 | 0 | 0 | YX,MQ |
| Jul 2025 | 35 | 9 | 2 | 0 | YX,MQ |
| Jun 2025 | 46 | 11 | 1 | 0 | YX,MQ |
| May 2025 | 31 | 7 | 1 | 0 | YX |
| Apr 2025 | 30 | 2 | 0 | 0 | YX |
| Aug 2024 | 36 | 4 | 2 | 1 | MQ,YX |
| Jul 2024 | 35 | 5 | 0 | 0 | MQ,YX |
| Jun 2024 | 34 | 3 | 1 | 0 | MQ,YX |
| May 2024 | 31 | 3 | 0 | 0 | MQ,YX |
| Apr 2024 | 30 | 4 | 0 | 0 | YX |
| Mar 2024 | 31 | 6 | 0 | 0 | YX |
| Sep 2023 | 31 | 2 | 2 | 0 | YX |
| Aug 2023 | 35 | 2 | 1 | 0 | YX |
| Jul 2023 | 36 | 6 | 1 | 0 | YX |
| Jun 2023 | 34 | 1 | 2 | 0 | YX |
| May 2023 | 31 | 5 | 0 | 0 | YX |
| Oct 2022 | 32 | 5 | 0 | 0 | YX |
| Sep 2022 | 35 | 6 | 2 | 0 | YX |
| Aug 2022 | 37 | 8 | 0 | 0 | YX |
| Jul 2022 | 40 | 15 | 1 | 1 | YX |
| Jun 2022 | 35 | 5 | 1 | 0 | YX |
Cancellation Rate
2.2%
18 of 813 flights
Diversion Rate
0.4%
3 of 813 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
HHH - Hilton Head
Full on-time, delay-cause, and seasonal performance for Hilton Head, SC.
Origin airport →DCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
Destination airport →Compare the two airports
See HHH and DCA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to HHH–DCA.
Routes with a similar on-time rate
What the Data Says About HHH to DCA
Bureau of Transportation Statistics records show Hilton Head to Washington (HHH to DCA) running a 84.4% on-time rate over 940 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 87.7 minutes. The 501-mile corridor is served by 3 carriers, and over the last 24 months 2.2% of 813 flights were cancelled, 0.4% 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 HHH to DCA? ▼
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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.