Trenton Mercer Airport (TTN) delays & on-time performance
Trenton, New Jersey · 9 nonstop destinations · 2 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at TTN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
77%
arrived < 15 min late
Cancelled
3.3%
33 flights
Avg arrival delay
24 min
100 min when late
Departed on time
77%
avg taxi-out 19 min
Figures cover 1,012 departures from TTN; on-time is measured at arrival. Arrivals into TTN were on time 76% of the time.
Key facts
- Flights departing Trenton Mercer Airport (TTN) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3.3% were cancelled, and 10% arrived an hour or more late.
- Frontier Airlines was the most punctual airline here (79% on time); Allegiant Air was the least (65%).
- Departures scheduled around 12pm did best (85% on time); around 7pm did worst (58%).
- The largest source of delay minutes was late-arriving aircraft (45%).
Most delayed routes from TTN
Lowest on-time arrival rates among regularly flown routes.
- MCO · Orlando83%540 flts
Most reliable routes from TTN
Highest on-time arrival rates among regularly flown routes.
- MCO · Orlando83%540 flts
Best airline at TTN
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| Frontier Airlines | 79% | 3.2% | 23 min | 7 | 870 |
| Allegiant Air | 65% | 3.5% | 31 min | 3 | 142 |
Best time to fly out of TTN
On-time arrival rate by scheduled departure hour (local time).
- 6am82%185 flts
- 8am82%59 flts
- 9am83%53 flts
- 10am82%80 flts
- 11am83%104 flts
- 12pm85%69 flts
- 3pm71%32 flts
- 4pm67%130 flts
- 5pm63%42 flts
- 6pm73%53 flts
- 7pm58%58 flts
- 8pm85%61 flts
- 9pm71%45 flts
Monthly trend
Why departures were late
- Late-arriving aircraft45%
- Air traffic control & airport congestion29%
- Airline (crew, maintenance, cleaning, fueling)23%
- Extreme weather3%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.