HHH to PHL flight delays & on-time performance
Nonstop flights from Hilton Head Airport to Philadelphia International Airport · 609 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HHH or PHL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Hilton Head (HHH) to Philadelphia (PHL) arrived on time 68% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.2% were cancelled, and 14% arrived an hour or more late.
- Republic Airways is the only airline reporting nonstop flights on this route.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (59%).
Which airline is most on time from HHH to PHL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 68% | 2.2% | 58 min | 13.6% | 45 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Monday100%0.0% cancelled
- Tuesday80%0.0% cancelled
- Wednesday75%0.0% cancelled
- Thursday75%0.0% cancelled
- Friday60%0.0% cancelled
- Saturday47%6.3% cancelled
- Sunday83%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)59%
- Late-arriving aircraft38%
- Air traffic control & airport congestion2%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Air traffic control & airport congestion100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Extreme weather0%
- Security0%
HHH to PHL: common questions
- How often are HHH to PHL flights on time?
- 68% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Hilton Head to Philadelphia cancelled?
- 2.2% of scheduled flights were cancelled (1 of 45).
- How long are typical delays?
- Across all flights the average arrival delay was 58 min (early arrivals count as zero). Flights that were late arrived 182 min behind schedule on average, and 13.6% of flights were an hour or more late.
- How long is taxi time at HHH?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: HHH → PHL, nonstop flights by US airlines that report to the DOT. How we calculate this.