John Murtha Johnstown Cambria County Airport (JST) delays & on-time performance
Johnstown, Pennsylvania · 2 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at JST right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
71%
arrived < 15 min late
Cancelled
4.9%
34 flights
Avg arrival delay
53 min
180 min when late
Departed on time
76%
avg taxi-out 21 min
Figures cover 692 departures from JST; on-time is measured at arrival. Arrivals into JST were on time 70% of the time.
Key facts
- Flights departing John Murtha Johnstown Cambria County Airport (JST) arrived on time 71% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.9% were cancelled, and 21% arrived an hour or more late.
- Departures scheduled around 6am did best (74% on time); around 2pm did worst (68%).
- The largest source of delay minutes was late-arriving aircraft (49%).
Most delayed routes from JST
Lowest on-time arrival rates among regularly flown routes.
- ORD · Chicago68%362 flts
Most reliable routes from JST
Highest on-time arrival rates among regularly flown routes.
- ORD · Chicago68%362 flts
Best airline at JST
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| SkyWest Airlines | 71% | 4.9% | 53 min | 2 | 692 |
Best time to fly out of JST
On-time arrival rate by scheduled departure hour (local time).
- 6am74%329 flts
- 2pm68%359 flts
Monthly trend
Why departures were late
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion15%
- Extreme weather14%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.