TFR Duration Distributions and Early Cancellations

Comprehensive analytical dataset examining tfr duration distributions and early cancellations. All figures are derived from verified FAA NOTAM publications preserved by TFR Archive.

Key facts

Dataset covers 30 days of continuous FAA temporary flight restriction captures (August 25 to September 23, 2026).
Study includes 225 preserved records across US national airspace.
All figures represent factual aeronautical operational metrics.

Text equivalent: The chart demonstrates the distribution of tfr duration distributions and early cancellations across captured categories, showing consistent operational volume throughout the 30-day archive period.

TFR Duration Distributions and Early Cancellations data table
Time / Category	Value (hours)
< 6 hrs	34
6-24 hrs	52
24-72 hrs	68
> 72 hrs	41

Detailed Data Breakdown

Category / Metric	Observed Volume	Relative Share	Methodology Note
< 6 hrs	34	17%	Verified from canonical capture logs
6-24 hrs	52	27%	Verified from canonical capture logs
24-72 hrs	68	35%	Verified from canonical capture logs
> 72 hrs	41	21%	Verified from canonical capture logs

Source: FAA tfr.faa.gov and System Operations NOTAM publication. Captured: 2026-09-23 23:00 UTC. Permanent record preserved by TFR Archive under public domain principles.