Trenton Mercer in June 2026

72.3%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 June 2026, reporting carriers scheduled 112 domestic departures from Trenton Mercer (TTN). 72.3% left less than 15 minutes late and 74.1% reached their destination on time; 1.8% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so TTN departures were level with the national departure figure.

A year earlier, in June 2025, the airport had 97 departures with 73.2% leaving on time: a change of −0.9 points, with flights up 15%.

Flights arriving at TTN that month were on time 84.8% of the time (112 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 69%, air carrier 23% and national aviation system 5%.

On time 74.1%
Arrived 15+ minutes late 23.2%
Cancelled 1.8%
Diverted 0.9%

Every scheduled departure from TTN in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	TTN, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	72.3%	73.2%	74.6%	72.2%
Arrived on time	74.1%	71.1%	74.1%	72.8%
Cancelled	1.8%	3.1%	3.3%	1.6%
Average departure delay (late minutes only)	20.4 min	21.5 min	23.0 min	20.6 min
Scheduled departures a day	4	3	3	20,253
Scheduled departures	112	97	1,012	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
F9 Frontier Airlines	87	78%	75.9%	7.1 min	2.3%
G4 Allegiant Air	25	22%	68.0%	14.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
TTN–MCO	Trenton to Orlando	60	75.0%	10.1 min	3.3%
TTN–TPA	Trenton to Tampa	27	77.8%	0.7 min	0.0%
TTN–PGD	Trenton to Punta Gorda	9	66.7%	36.0 min	0.0%
TTN–FLL	Trenton to Fort Lauderdale	8	75.0%	5.6 min	0.0%
TTN–PIE	Trenton to St. Petersburg	8	62.5%	0.3 min	0.0%

By scheduled departure hour

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	22.6%	30.8%	445
Late-arriving aircraft	69.4%	42.1%	1,368
National Aviation System	4.8%	20.3%	95
Extreme weather	3.1%	6.7%	62
Security	0.0%	0.1%	0

1,970 delay minutes on 26 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 June 2026?

72.3% of 112 scheduled domestic departures left less than 15 minutes late, and 74.1% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 73.2% of 97 departures left on time and 3.1% were cancelled, against 72.3% and 1.8% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.