Route · HHH → DCA · 2020–2025 BTS data
Hilton Head to Washington
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), HHH to DCA (Hilton Head to Washington) ranks #4558 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 84.4%
- On-time
- +5.4 pts
- vs US avg
- 88 min
- Delay when late
- 940
- Flights
- #4558 of 4927
- Corpus placement
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 |
HHH–DCA seasonal on-time pattern
Best: April (91.1%) · weakest: May (75.8%)
Strongest calendar month
April
91.1% on-time · ~30 flights/mo
Busiest calendar month
June
~37 flights/mo avg
Weakest calendar month
May
75.8% on-time · ~31 flights/mo
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.
HHH on-time profileDCA - Washington
Full on-time, delay-cause, and seasonal performance for Washington, DC.
DCA on-time profileCompare the two airports
See HHH and DCA side by side on delays, cancellations, and reliability.
Compare HHH vs DCAOrigin-hub reliability standing
Mid-pack among HHH departures
From HHH, this corridor sits with 3 other 75–85% on-time routes out of 5 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 1 below 75%). Destination: Washington · fleet on-time rank #1430 of 4927.
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.
On the multi-year calendar, HHH–DCA peaks in April at 91.1% on-time while June carries the heaviest traffic (~37 flights per month) ; the softest month is May at 75.8%, a 15.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does HHH to DCA rank among US routes by traffic? ▼
How often are flights delayed from HHH to DCA? ▼
What is the cancellation rate for HHH to DCA? ▼
How far is the flight from HHH to DCA? ▼
Airports on this route
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.
Using HHH–DCA data
HHH–DCA runs 5.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare HHH and DCA airport profiles: delay causes and top routes differ even on the same corridor. HHH airport
- If your dates flex, April (91.1% on-time) beats May (75.8%) on this corridor. Seasonal chart
- 4 other routes post a similar 84.4% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.