The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

Philadelphia International ⇄ Hilton Head PHL–HHH

Airlines flew 88 flights between Philadelphia International PHL in Philadelphia, PA and Hilton Head HHH in Hilton Head, SC in the twelve months to July 2026, both directions together: 4,297 passengers in 6,659 seats, 65% of them filled. 609 miles, about 93 minutes in the air, on 1 airline: Republic Airline (88).

88
flights, twelve months
PHL-HHH: 42 · HHH-PHL: 46
4,297
passengers
65% of seats filled
609
miles
about 93 minutes airborne
1
airline
1 aircraft type

Flights by month both directions

018355270676/25706449/254977/26
By month, as a table
flights
6/2567
7/2570
8/2564
9/254
5/264
6/269
7/267

Passengers by month

09181,8372,7563,6743,3796/253,6742,9321499/252405534237/26
By month, as a table
passengers
6/253,379
7/253,674
8/252,932
9/25149
5/26240
6/26553
7/26423

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Republic Airline YX884,29765%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-17588764,297

PHL → HHH this direction alone · flown June 2025 to July 2026

42 flights of 42 scheduled, 2,315 passengers in 3,181 seats. Republic Airline 42.

HHH → PHL this direction alone · flown June 2025 to July 2026

46 flights of 45 scheduled, 1,982 passengers in 3,478 seats. Republic Airline 46.

Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Philadelphia International PHL and Hilton Head HHH; all routes.