According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Johnstown, PA (JST) ranks #303 of 382 tracked US airports by total flights (most flights = #1). Johnstown, PA posts below-median on-time performance among the 382 tracked U.S. airports, as a smaller regional airport.
Compare JST to another hub, filter routes, or browse airline stats without leaving this profile.
JST on-time rate vs. the national average
Ahead of the U.S. average across all 382 tracked airports.
Volume vs. on-time rate
Where Johnstown, PA sits on volume vs. on-time rate
Among the 382 U.S. airports in the BTS corpus, Johnstown, PA handles more flight
volume than 21% of them, and has a higher on-time rate than
34% 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.
Johnstown, PA vs. a 29-airport national peer sample, volume percentile vs. on-time-rate percentile.
Total flights (2020-2025): 7,267 ·
On-time rate: 82.1%
Delay Cause Breakdown
Top delay cause: Late Aircraft.
Total delay minutes88,223 min
Late Aircraft39,688 min · 45%
Carrier34,640 min · 39%
Weather8,682 min · 10%
NAS (National Aviation System)5,188 min · 6%
Security25 min · 0%
Source: U.S. DOT Bureau of Transportation Statistics, On-Time Performance
JST - seasonal on-time pattern
Best: May (94.7%) · worst: November (88.1%)
JST - on-time rate by year
2020–2025, year-over-year trend.
JST - taxi-out and taxi-in (monthly)
Average taxi-out 17.8 min · taxi-in 4.9 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).
JST's average taxi-out (17.8 min) sits near the recent U.S. airport mean (~16.4 min). Month-to-month, it swings from 12.2 min (July 2024) to 35.3 min (January 2025).
Two PlainFlights-derived comparison paths for Johnstown, PA, both outside Pennsylvania 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 Johnstown, PA is the delay mix: Late Aircraft owns 45.0% of 88,223 delay minutes across 7,267 BTS flights. The on-time headline is 82.1% (3.1 pts above the 79% national average), with 1,298 delayed and 110 cancelled (1.51%).
Delay minutes concentrate in Late Aircraft (45.0% late-aircraft, 39.3% carrier, 5.9% NAS, 9.8% weather, 0.0% security). As a quieter airport, a single late inbound can swing the month more than at a mega-hub.
On the multi-year calendar, JST is strongest in May (94.7% on-time) and weakest in November (88.1%), a 6.6-point swing. Volume peaks in October (~124 flights/month). The busiest connecting route is to IAD (Washington) at 83.4% on-time. Field definitions: on-time performance explained.
Johnstown, PA vs. the national on-time distribution
On-time rate among all 382 tracked U.S. airports
82.1%Top 66%higher than 34% of 382 airports
Johnstown, PA
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.
JST's on-time book is mid-pack; month and delay-cause mix move more than the headline rate.
Check the busiest route from JST before you book a connection. See top routes →
Travel in May rather than November if your dates are flexible. Seasonal patterns →
Gate-to-wheels taxi-out averages 17.8 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 Johnstown, PA's on-time rate?
Johnstown, PA (JST) has a 82.1% on-time rate across 7,267 BTS-tracked flights (2020-2025), 3.1 pts above the 79% national flight-weighted average; that places it in roughly the below-median on-time performance.
How does JST rank among U.S. airports by traffic volume?
Johnstown, PA ranks #303 of 382 tracked US airports by total BTS flights (most flights = #1), making it a smaller regional airport.
What's the most common cause of delays at Johnstown, PA?
Late Aircraft is the leading delay cause at JST, accounting for 45.0% of delay minutes. The full breakdown: 45.0% late-aircraft, 39.3% carrier, 5.9% NAS/air-traffic-control, 9.8% weather, and 0.0% security.
When is the best time to fly through Johnstown, PA?
May is historically JST's strongest month at 94.7% on-time, while November is the weakest at 88.1%, a 6.6-point swing across the BTS historical record.