Route reliability record
CLT→HHH
Charlotte to Hilton Head Island
- Flights
- 1,166
- Period
- September 2025 to August 2026
- Distance
- 206 mi
- Carriers
- 1
This route earns an A. More than four flights in five arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 8 points better than the national rate of 77.3%. When something does go wrong the average delay runs about an hour. That rests on 1,166 CLT to HHH flights, with a median arrival 7 minutes early.
Best time to fly CLT to HHH: a 8am–11am departure, ideally on a Tuesday. Flights in that window arrived on time 90.3% of the time and Tuesday flights 93.0%, against 85.5% for the route overall.
Set against the rest of the country, this route's record is 8 points better than the US average of 77.3%. That gap is worth roughly 82 fewer late arrivals for every thousand flights.
Key figures
On time
85.5%
Arrivals under 15 minutes late, of 1,144 completed flights
Avg delay
60 min
Across delayed arrivals only, not all flights
Cancelled
1.46%
National rate is 1.89%
Best carrier
Envoy
85.5% on time across 1,166 flights
These figures cover 1,166 flights between September 2025 and August 2026. The median arrival is 7 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Carrier by carrier
Which airline is most reliable on CLT to HHH
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Envoy Air | 1,166 | 85.5% | 60 min | 1.46% | A |
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Best ways to make this trip
The most reliable ways to fly Charlotte to Hilton Head Island
Every airline on this route and on the routes between nearby airports, ranked by how often a scheduled flight actually operated and arrived on time. 2 of the top 3 use a different airport at one end.
| Option | Airline | Success | On time | Cancelled | Best departure | Most punctual flight |
|---|---|---|---|---|---|---|
| 1. CLT → HHHCharlotte to Hilton Head Island | Envoy Air | 84.3% | 85.5% | 1.46% | 8am–11am, Tue | — |
| 2. CLT → SAVCharlotte to Savannah | American Airlines | 74.4% | 74.7% | 0.39% | 8pm–5am, Tue | — |
| 3. CLT → SAVCharlotte to Savannah | PSA Airlines | 73.3% | 75.0% | 2.26% | 8am–11am, Wed | OH 5382 20:26 |
Success is the share of scheduled flights that operated and arrived less than 15 minutes late, so a cancelled flight counts against it. “(route)” means the best time comes from every carrier on the route rather than this airline alone.
Departure window
The best time of day to leave
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 13 points, against half a point between the best and worst carrier.
- 5am–8am—
- 8am–11am272 flights90.3%
- 11am–2pm522 flights87.2%
- 2pm–5pm321 flights79.9%
- 5pm–8pm51 flights77.6%
- 8pm–5am—
Scale runs 70% to 95%. Rows with fewer than 30 flights show a dash.
Book the morning departure. Flights leaving between 8am–11am arrive on time 90.3% of the time, against 77.6% for the evening window. That is 13 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 11am–2pm window is the busiest, with 522 flights scheduled in it.
Explore
Filter CLT to HHH by airline, time, month and day
Pick a breakdown and a carrier. The dashed mark on each row is the same slice for every US flight.
On CLT to HHH, the best departure window is 8am–11am at 90.3% on time and the worst is 5pm–8pm at 77.6%, a wide gap of 12.7 points. All US flights leaving 8am–11am ran 83.9%.
- 5–8am—
- 8–11am90.3%
- 11am–2pm87.2%
- 2–5pm79.9%
- 5–8pm77.6%
- 8pm–5am—
best all US flightsScale 60% to 95%. Cells under 30 flights show a dash.
Across the year
When delays peak on this route
This route's year swings by 17 points from best month to worst, which is wide. An annual average tells you very little about the week you are actually flying, so read the strip rather than the headline if your dates are fixed.
December is the weak month at 78.4% on time, against 95.6% in September. Winter delays cluster: a single storm system can account for most of a month's shortfall, so an average December hides both very good weeks and genuinely unflyable days. May was the busiest month here, with 136 flights.
Across the week, Tuesday is the strongest day at 93.0% on time and Sunday the weakest at 76.8%, a spread of 16 points.
Delay causes
Why this route gets delayed
Late-arriving aircraft accounts for 60% of the 9,971 delay minutes carriers reported here, and the remaining four split what is left.
- 60%Late-arriving aircraft
- 20%Carrier
- 16%National Airspace System
- 3%Extreme weather
60% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 9,971 reported delay minutes here, that single category outweighs weather by 21 to one. The split is drawn from 9,971 reported delay minutes.
The practical consequence: the 8am–11am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 90.3% on time here.
Cancellations sit at 1.46% against a national 1.89%, which is ordinary. Diversions add another 0.43%.
Connections and stage length
What a delay here actually costs
5.3% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.
At 206 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 8am–11am window matters as much as it does.
The return leg is a different operation and performs like one: it runs 88.5% on time across 1,166 flights, 3 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 3 points of difference.
The sample behind these figures is 1,166 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.
Work out the risk of missing a connection in HHH after this flight
What to do with this
Booking this route
Put together: the calendar is the biggest lever here, not the carrier or the hour. September runs 95.6% on time and December 78.4%, a swing of 17 points. If the dates move at all, move them out of December before you think about anything else. 1,144 completed flights over 12 months sit behind that.
Common questions
CLT to HHH questions
How often is CLT to HHH delayed?
About one flight in seven arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 14.5% of the 1,166 flights in this analysis, against 22.7% nationally. Delayed flights are late by about an hour on average.
How reliable is CLT to HHH compared with the rest of the country?
85.5% of flights arrive on time here against a national 77.3%, a difference of 8 points in its favour. That is worth a A on this site's grading scale.
What time of day has the fewest delays on CLT to HHH?
The 8am–11am departure window is the strongest at 90.3% on time. The 5pm–8pm window is the weakest at 77.6%, 13 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are December delays on CLT to HHH?
December is the weakest month at 78.4% on time, compared with 95.6% in September. Across the year that is 17 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
- HHH to CLT — the return legseparate record
- Charlotte Douglas International (CLT) delay statistics
- CLT to MCO, a related route71.6%
- CLT to ORD, a related route72.4%
- CLT to ATL, a related route81.3%
- Envoy Air on-time record85.5%
- Why the first flight of the morning is statistically safest
- The best time of day to fly, according to 7.05 million flight records
Direction matters. CLT to HHH and HHH to CLT are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
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Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.