Trenton Mercer (TTN) Delays and On-Time Departures
Trenton, NJ · ranked 262nd of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
77.0% of the 1,012 flights scheduled to depart Trenton (TTN) in the last 12 months left on time, in line with the US average of 77.4%.
That ranks 262nd of 333 US airports tracked on this site, with 3.3% of departures cancelled.
Frontier Airlines was the most punctual airline here, with 78.7% of departures on time.
September has been the best month (91% on time) and Sunday the weakest day of the week (71%).
Best time of day to fly out of Trenton (TTN)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 86.3% | 4.8% | 498 |
| 7am–8am | 82.5% | 1.2% | 81 |
| 8am–9am | 87.0% | 4.8% | 145 |
| 9am–10am | 86.0% | 3.9% | 179 |
| 10am–11am | 82.1% | 0.0% | 106 |
| 11am–12pm | 81.7% | 4.3% | 187 |
| 12pm–1pm | 80.3% | 2.4% | 125 |
| 1pm–2pm | 70.9% | 2.5% | 81 |
| 2pm–3pm | 63.2% | 0.0% | 38 |
| 3pm–4pm | 75.0% | 1.9% | 53 |
| 4pm–5pm | 68.3% | 1.4% | 147 |
| 5pm–6pm | 61.9% | 1.1% | 178 |
| 6pm–7pm | 72.3% | 1.5% | 131 |
| 7pm–8pm | 64.7% | 4.5% | 89 |
| 8pm–9pm | 77.5% | 3.3% | 92 |
| 9pm–10pm | 61.5% | 5.8% | 87 |
| 10pm–11pm | Limited data | 3 | |
Airlines at TTN ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| Frontier Airlines | 78.7% | 78.6% | 3.2% | 870 |
| Allegiant Air | 66.4% | 65.4% | 3.5% | 142 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of TTN
On-time departures by day, 24 months.
Best month to fly out of TTN
On-time departures by month, 24 months.
Holiday travel at Trenton (TTN)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 88.5% | +9.3 pts | 0.0% | 52 |
| Christmas & New Year (Dec 20 - Jan 3) | 75.2% | -3.9 pts | 9.5% | 116 |
| Summer peak (Jun 15 - Aug 15) | 71.9% | -7.2 pts | 3.2% | 437 |
| All other days | 79.1% | — | 2.9% | 1,615 |
Monthly on-time departure trend at TTN
On-time departure % each month, with the 12-month US average for reference.
Routes from Trenton (TTN)
Every route from TTN with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| TTN → Orlando (MCO) | 82.7% | 3.7% | 540 |
| TTN → Tampa (TPA) | 70.6% | 2.1% | 233 |