Trenton Mercer in December 2024

73.0%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In December 2024, reporting carriers scheduled 115 domestic departures from Trenton Mercer (TTN). 73.0% left less than 15 minutes late and 74.8% reached their destination on time; 7.0% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so TTN departures were 4.8 points below the national departure figure.

A year earlier, in December 2023, the airport had 241 departures with 69.3% leaving on time: a change of +3.7 points, with flights down 52%.

Flights arriving at TTN that month were on time 70.8% of the time (120 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 43%, air carrier 27% and late-arriving aircraft 27%.

On time 74.8%
Arrived 15+ minutes late 18.3%
Cancelled 7.0%
Diverted 0.0%

Every scheduled departure from TTN in December 2024, judged by arrival at the destination.

December 2024 against a year earlier, the airport's year and the nation

Measure	Dec 2024	Dec 2023	TTN, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	73.0%	69.3%	74.6%	77.8%
Arrived on time	74.8%	72.2%	74.1%	78.1%
Cancelled	7.0%	2.1%	3.3%	0.7%
Average departure delay (late minutes only)	15.7 min	30.2 min	23.0 min	16.6 min
Scheduled departures a day	4	8	3	19,686
Scheduled departures	115	241	1,012	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
F9 Frontier Airlines	115	100%	74.8%	3.3 min	7.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
TTN–MCO	Trenton to Orlando	56	80.4%	-3.6 min	5.4%
TTN–RSW	Trenton to Fort Myers	17	47.1%	34.4 min	11.8%
TTN–TPA	Trenton to Tampa	17	76.5%	0.8 min	5.9%
TTN–PBI	Trenton to West Palm Beach/Palm Beach	15	80.0%	-2.5 min	13.3%
TTN–ATL	Trenton to Atlanta	10	80.0%	4.6 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	27.3%	34.3%	412
Late-arriving aircraft	27.0%	40.2%	407
National Aviation System	42.5%	17.8%	642
Extreme weather	3.2%	7.5%	48
Security	0.0%	0.2%	0

1,509 delay minutes on 21 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left TTN on time in December 2024?

73.0% of 115 scheduled domestic departures left less than 15 minutes late, and 74.8% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 69.3% of 241 departures left on time and 2.1% were cancelled, against 73.0% and 7.0% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for TTN · methodology · corrections.