According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Trenton, NJ (TTN) ranks #203 of 382 tracked US airports by total flights (most flights = #1). Trenton, NJ posts bottom-quartile on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.
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TTN on-time rate vs. the national average
Behind the U.S. average across all 382 tracked airports.
Volume vs. on-time rate
Where Trenton, NJ sits on volume vs. on-time rate
Among the 382 U.S. airports in the BTS corpus, Trenton, NJ handles more flight
volume than 47% of them, and has a higher on-time rate than
4% of them, placing it in the quadrant for quiet and delay-prone.
Flight volume and on-time rate are independent figures: a busy airport can still run
reliably, and a quiet one can still run late.
Trenton, NJ vs. a 29-airport national peer sample, volume percentile vs. on-time-rate percentile.
Total flights (2020-2025): 21,106 ·
On-time rate: 75.4%
Delay Cause Breakdown
Top delay cause: Late Aircraft.
Total delay minutes204,296 min
Late Aircraft102,147 min · 50%
NAS (National Aviation System)51,329 min · 25%
Carrier45,968 min · 23%
Weather4,852 min · 2%
Security0 min · 0%
Source: U.S. DOT Bureau of Transportation Statistics, On-Time Performance
TTN - seasonal on-time pattern
Best: October (92.5%) · worst: June (86%)
TTN - on-time rate by year
2020–2025, year-over-year trend.
TTN - taxi-out and taxi-in (monthly)
Average taxi-out 17.9 min · taxi-in 8.3 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
TTN's average taxi-out (17.9 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 15.4 min (March 2025) to 22.8 min (December 2025).
Two PlainFlights-derived comparison paths for Trenton, NJ, both outside New Jersey so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.
The standout signal at Trenton, NJ is the delay mix: Late Aircraft owns 50.0% of 204,296 delay minutes across 21,106 BTS flights. The on-time headline is 75.4% (3.6 pts below the 79% national average), with 5,202 delayed and 417 cancelled (1.98%).
Delay minutes concentrate in Late Aircraft (50.0% late-aircraft, 22.5% carrier, 25.1% NAS, 2.4% weather, 0.0% security). Mid-volume books still show a clear delay fingerprint rather than a weather-only story.
On the multi-year calendar, TTN is strongest in October (92.5% on-time) and weakest in June (86%), a 6.5-point swing. Volume peaks in March (~397 flights/month). The busiest connecting route is to MCO (Orlando) at 75.2% on-time. Field definitions: on-time performance explained.
Trenton, NJ vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
75.4%Top 96%higher than 4% of 382 airports
Trenton, NJ
60%95%
U.S. airports by on-time rate, bucketed by value
Each bar is a band; taller bars hold more airports. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025).
Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.
TTN's on-time book sits in the slower half of the BTS set; check the delay mix and the worst month before treating the headline as typical.
Check the busiest route from TTN before you book a connection. See top routes →
Travel in October rather than June if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 17.9 min here; check the monthly series before a tight connection. Taxi times →
On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.
Frequently Asked Questions
What is Trenton, NJ's on-time rate?
Trenton, NJ (TTN) has a 75.4% on-time rate across 21,106 BTS-tracked flights (2020-2025), 3.6 pts below the 79% national flight-weighted average; that places it in roughly the bottom-quartile on-time performance.
How does TTN rank among U.S. airports by traffic volume?
Trenton, NJ ranks #203 of 382 tracked US airports by total BTS flights (most flights = #1), making it a mid-size U.S. airport.
What's the most common cause of delays at Trenton, NJ?
Late Aircraft is the leading delay cause at TTN, accounting for 50.0% of delay minutes. The full breakdown: 50.0% late-aircraft, 22.5% carrier, 25.1% NAS/air-traffic-control, 2.4% weather, and 0.0% security.
When is the best time to fly through Trenton, NJ?
October is historically TTN's strongest month at 92.5% on-time, while June is the weakest at 86%, a 6.5-point swing across the BTS historical record.