Route on-time record
HHH to DCA: most on-time flights and the best time to fly
Hilton Head Island (Hilton Head Airport) to Washington (Ronald Reagan Washington National Airport). 343 nonstop flights in Jun 2025 to May 2026, 80% arrived within 15 minutes and 2.6% were cancelled. The most reliable flight number was Envoy 3564 at 10:57 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
HHH → DCA
Hilton Head Island to Washington: 343 nonstop flights a year
On time (12 months)
80%
Cancelled
2.6%
avg delay 17 min
Best time to leave
9 AM to noon
87% on time vs 70% 3 to 6 PM
Most reliable airline
Envoy
85% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Envoy 3564 · sold as American Eagle
10:57 AM → 12:44 PM1h 47m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 21 min
- Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 87% on time; 3 to 6 PM: 70%).
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find 10:57 AM flight fares Opens this date on Aviasales#2 · Republic 4450 · sold as American Eagle, Delta Connection or United Express
3:44 PM → 5:35 PM1h 51m nonstop
Local times, typical schedule. Last flown 2026-05-20.
76%
chance on time
- On time (history)
- 79%
- Cancelled
- 0.0%
- Avg arrival delay
- 27 min
- Arrived on time 79% of the time (43 flights, Jun 2025 to May 2026).
- Never cancelled in 44 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 70% on time; 9 AM to noon: 87%).
- Lands inside DCA's trouble window: 63% of its 194 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 43 flights
Find 3:44 PM flight fares Opens this date on Aviasales#3 · Republic 4604 · sold as American Eagle, Delta Connection or United Express
4:11 PM → 5:59 PM1h 48m nonstop
Local times, typical schedule. Last flown 2026-04-06.
66%
chance on time
- On time (history)
- 64%
- Cancelled
- 6.7%
- Avg arrival delay
- 27 min
- Arrived on time 64% of the time (28 flights, Jun 2025 to May 2026).
- Cancelled 6.7% of the time (2 of 30).
- Leaves in this route's least on-time window (3 to 6 PM: 70% on time; 9 AM to noon: 87%).
- Lands inside DCA's trouble window: 63% of its 194 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 28 flights
Find 4:11 PM flight fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Envoy Air (sold as American Eagle)85%
130 flights · 90% on time as flown · 1.8% cancel
- Republic Airways (sold as American Eagle, Delta Connection or United Express)74%
213 flights · 74% on time as flown · 3.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon87%
206 flights · avg delay 11 min
- 3 to 6 PM70%
120 flights · avg delay 25 min
Best day: Tuesday (93%). Worst: Saturday (80%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft47%
- Airline (crew, maintenance, boarding)26%
- Severe weather14%
- Air traffic control and airport volume13%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
HHH to DCA questions
- What time of day is best to fly HHH to DCA?
- 9 AM to noon: 87% of flights arrived on time, against 70% for departures 3 to 6 PM.
- Which airline is most on time from HHH to DCA?
- Envoy, with a season-adjusted 85% chance of operating and arriving on time over 130 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on HHH to DCA?
- March (78% on time); the best was October (93%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from HHH
Live status: FAA delays and ground stops
