Mt. Langley Cancellations: Drop History
Our scanner has recorded 392 availability changes for Mt. Langley. Here's when they actually happened.
PermitCast forecast
Odds of an opening for Mt. Langley
Your chance of an opening in the window ahead, based on how often this permit has opened before.
Next 7 days
Good chance
Next 14 days
Good chance
Next 30 days
Good chance
We check this permit about every hour. Openings that close faster than that can slip between checks, so the true chance may be higher.
Based on 9 weeks of our scan history. Forecast last updated Oct 26, 2026.
Changes by month
Every month is a real count of scanner-detected availability changes for Mt. Langley, not an estimate.
| Month | Changes detected |
|---|---|
| April 2026 | 0 |
| May 2026 | 0 |
| June 2026 | 0 |
| July 2026 | 0 |
| August 2026 | 89 |
| September 2026 | 222 |
| October 2026so far this month | 81 |
Last scanned Oct 26, 1:17 PM PDT. Counts respect our availability-change epoch (2026-07-03): earlier scanner history isn't comparable and is excluded.
Best times to check
This grid plots every opening the scanner catches for Mt. Langley by day of week and time of day, so you can see when the cancellations actually land. It draws at 140 recorded openings across its 28 squares. Under that, the darkest square is chance rather than a pattern. Set an alert and every opening counts toward it.
Mt. Langley drop report questions
How often does Mt. Langley availability actually move?
Our scanner has recorded 392 availability changes for Mt. Langley since it started tracking, broken down by month above. A change is any shift in the open-date set, so it counts dates closing as well as dates opening.
When is the best time to check for Mt. Langley cancellations?
Set an alert and every opening the scanner catches for Mt. Langley counts toward the grid above. It draws once there are at least 140 recorded openings spread across its 28 squares, so the darkest square points at a real pattern rather than at chance.
How fast will I find out if a Mt. Langley date opens up?
Paid plans are scanned every minute and we tell you within seconds. Free accounts are scanned hourly. Either way, PermitSnag catches the change, so you don't have to refresh the page yourself.