Originfacts

Airport guide

Trenton-Mercer AirportIATA code TTN

Trenton-Mercer Airport (TTN/KTTN) is the primary air passenger gateway serving Philadelphia, United States in North America. The airfield connects travelers with essential regional transit routes and operating carrier options.

Serves
Philadelphia, United States
Codes
TTN · KTTN
IATA · ICAO
Time zone
America/New_York
Region
North America
Airport record, updated 10 Jul 2026OurAirports, 5 Oct 2026Wikidata, 5 Oct 2026Terminals and transport not yet verifiedWhere this comes from

Trenton-Mercer Airport (TTN/KTTN) is the primary air passenger gateway serving Philadelphia, United States in North America. Operating on America/New_York local time at coordinates 40.280°, -74.810°, the airfield functions as an active commercial transit hub for scheduled regional and international flights. Travelers navigating Trenton-Mercer Airport (TTN) are encouraged to confirm terminal layouts, ground transport connections into Philadelphia, and flight schedules with their operating carrier prior to travel.

Trenton-Mercer Airport details

Airport record · 10 Jul 2026
IATA code
TTN
ICAO code
KTTN
City
Philadelphia
Country
United States
Region
North America
Time zone
America/New_York
Coordinates
40.277°, -74.813°
From OurAirports

Codes, region and time zone come from the Originfacts airport record (last updated 10 Jul 2026). Fields marked otherwise come from the dataset named on them. None are verified by hand against Trenton-Mercer Airport’s own pages.

TTN airport facts

OurAirports · Wikidata
Size class
Medium airport
From OurAirports (5 Oct 2026); OurAirports’ own classification
Elevation
65 m (213 ft)
From OurAirports (5 Oct 2026)
Passengers, 2019
924,346
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026), citing faa.gov (opens in a new tab)
Named after
Trenton
Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Nearest airport with scheduled flights
Philadelphia International Airport PHL · 58 km
OurAirports scheduled-service flag; straight-line distance calculated

Runways at TTN

OurAirports · 5 Oct 2026

Source: OurAirports (opens in a new tab) runways data (public domain), retrieved 5 Oct 2026. Not an aeronautical source — not for navigation.

2 open runways, all lit. Longest 06/24: 1,831 m, asphalt.

Runways at TTN: length, width, surface and lighting
RunwayLengthWidthSurface
06/241,831 m6,006 ft46 masphalt
16/341,463 m4,800 ft46 masphalt

Routes from TTN

No route records yet

Originfacts does not track any routes from TTN yet, so no route records are listed here. Check current schedules with the airlines or the airport’s own site.

Terminals, transport and parking at TTN

Not yet verified

Terminal assignments, ground transport into Philadelphia, parking, lounges and accessibility services have not been verified against Trenton-Mercer Airport’s own pages yet, so none are listed here.

Check directly:mercercounty.org/departments/transportation-and-infrastructure/trenton-mercer-airport (opens in a new tab)Map of the airport location (opens in a new tab)

Before you travel

  • Confirm your terminal with the operating airline.
  • Check the check-in and bag-drop cut-off times on your booking.
  • Allow extra time if you need to change terminals or check bags in again.
  • Check your flight status before you leave for the airport.

Airports near Philadelphia

Calculated

Straight-line distances calculated from each airport’s coordinates in the Originfacts airport records. Road distances are longer.

Trenton-Mercer Airport: common questions

Where is Trenton-Mercer Airport?

Trenton-Mercer Airport serves Philadelphia, United States. Its coordinates in OurAirports are 40.277°, -74.813°.

What are the airport codes for Trenton-Mercer Airport?

The IATA code is TTN and the ICAO code is KTTN.

What time zone is TTN in?

Trenton-Mercer Airport is in the America/New_York time zone.

What is the official website of Trenton-Mercer Airport?

The airport’s official website is mercercounty.org/departments/transportation-and-infrastructure/trenton-mercer-airport. For questions about a booking, contact the operating airline.

How many runways does Trenton-Mercer Airport have?

OurAirports lists 2 open runways at TTN: 06/24 (1,831 m (6,006 ft), asphalt); 16/34 (1,463 m (4,800 ft), asphalt).

How many passengers use Trenton-Mercer Airport?

Wikidata records 924,346 passengers for 2019, the latest year it holds.

What is the elevation of Trenton-Mercer Airport?

OurAirports gives TTN’s elevation as 65 m (213 ft) above sea level.

Sources

Nothing on this page is verified by hand yet. Each section comes from the dataset below, with its date where the dataset has one. Terminal, transport and parking details are left out until they can be read from Trenton-Mercer Airport’s own pages.

Background reading:Wikipedia (opens in a new tab)Wikidata (opens in a new tab)