What is the TSA wait at TTN right now?
No live security wait, and no historical wait, for Trenton Mercer Airport (TTN). We will not estimate one.
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Trenton Mercer Airport TSA wait times
TTN · KTTN · Ewing Township, New Jersey
Security wait
No live security wait, and no historical wait, for Trenton Mercer Airport (TTN). We will not estimate one.
PreCheck
PreCheck lanes are not in our historical feed for this airport.
CLEAR
CLEAR is not shown. We are not using a CLEAR source.
Departure delays
Historical on-time performance. Not a live delay.
76%
On-time departures, September 2025 through August 2026. A departure is on time when it left less than 15 minutes late.
Flights out of Trenton Mercer Airport left on time 76% of the time from September 2025 through August 2026. The largest share of delay minutes was late-arriving aircraft (45%). That is a share of delay minutes, not a share of flights. The average delay among departures that were 15 minutes or more late was 99 minutes. 3% of scheduled flights were cancelled.
The highest on-time month was May 2026 (82%). The lowest was April 2026 (68%).
| Cause | Delay minutes | Share of delay minutes |
|---|---|---|
| late-arriving aircraft | 11,257 | 45% |
| the national airspace system | 6,923 | 28% |
| the airline | 5,742 | 23% |
| weather | 979 | 4% |
When to be at the airport
TSA's published guidance is to arrive at the airport 2 hours before a domestic departure and 3 hours before an international departure. That is guidance, not a measured security wait.
Nearby airports
- Philadelphia International Airport PHL · Philadelphia36 mi
- Lehigh Valley International Airport ABE · Allentown/Bethlehem42 mi
- Newark Liberty International Airport EWR · Newark44 mi
- Teterboro Airport TEB · Teterboro56 mi
- Atlantic City International Airport ACY · Atlantic City58 mi
Distances are straight-line miles.
Airport details
- Runways
- 2
- Longest runway
- 06/24, 6,006 ft
- Longest runway width
- 150 ft
- Longest runway surface
- ASPH
- Longest runway lighting
- HIGH
- Elevation
- 212.6 ft
- Control tower
- Yes
- CY2024 enplanements
- 241,950
- Facility use
- Public
- Ownership
- Public
- Part 139 certificate code
- I B
- Fuel
- 100LL,A,A+
- Airframe repair
- MAJOR
- Powerplant repair
- MAJOR
- Last inspection
- 2024/07/18
FAA facility record date 2026/10/01. Runways: BTS NTAD Runways. Facility facts: BTS NTAD Aviation Facilities. Enplanements: FAA CY2024 commercial service.
Questions
Does TSACheck have a live security wait for TTN?
No. TSACheck has no live feed and no historical wait for Trenton Mercer Airport (TTN).
How often do flights leave TTN on time?
Flights out of Trenton Mercer Airport left on time 76% of the time from September 2025 through August 2026. The largest share of delay minutes was late-arriving aircraft (45%). That is a share of delay minutes, not a share of flights. The average delay among departures that were 15 minutes or more late was 99 minutes. 3% of scheduled flights were cancelled.
How early should I get to TTN?
TSA's published guidance is to arrive at the airport 2 hours before a domestic departure and 3 hours before an international departure. That is guidance, not a measured security wait.
Which airports are near TTN?
The nearest airports in this list are Philadelphia International Airport (PHL), 36 straight-line miles; Lehigh Valley International Airport (ABE), 42 straight-line miles; Newark Liberty International Airport (EWR), 44 straight-line miles; Teterboro Airport (TEB), 56 straight-line miles; Atlantic City International Airport (ACY), 58 straight-line miles.