John Murtha Johnstown-Cambria County (JST) Delays and On-Time Departures
Johnstown, PA · ranked 286th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Johnstown (JST) had 692 scheduled departures and 75.7% of them left on time (US average 77.4%).
That ranks 286th of 333 US airports tracked on this site, with 4.9% of departures cancelled.
May has been the best month (90% on time) and Wednesday the weakest day of the week (75%).
Best time of day to fly out of Johnstown (JST)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 81.2% | 3.2% | 560 |
| 9am–10am | Limited data | 1 | |
| 10am–11am | 84.2% | 0.8% | 134 |
| 11am–12pm | Limited data | 3 | |
| 2pm–3pm | 75.4% | 4.0% | 723 |
Airlines at JST ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| SkyWest Airlines | 75.7% | 70.9% | 4.9% | 692 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of JST
On-time departures by day, 24 months.
Best month to fly out of JST
On-time departures by month, 24 months.
Holiday travel at Johnstown (JST)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 26 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 62.3% | -17.5 pts | 7.0% | 57 |
| Summer peak (Jun 15 - Aug 15) | 77.6% | -2.1 pts | 1.3% | 235 |
| All other days | 79.7% | — | 3.5% | 1,103 |
Monthly on-time departure trend at JST
On-time departure % each month, with the 12-month US average for reference.
Routes from Johnstown (JST)
Every route from JST with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| JST → Chicago (ORD) | 68.0% | 6.3% | 362 |
| JST → Washington (IAD) | 74.0% | 3.3% | 330 |