BTS releases and changes
BTS publishes one month of on-time data in each release, about two months after the month ends. Each entry is one release, newest first.
The record has no release yet. The newest month in the BTS data is July 2026. The first entry shows here after the next BTS release.
What the record holds
| Page type | Figure of the newest month | Smallest change that is recorded |
|---|---|---|
| Route | Share of flights that arrived on time | 2.0 percentage points |
| Route | Scheduled flights a day | 10 percent and 0.5 flights a day |
| Airport | Share of departures that left on time | 2.0 percentage points |
| Airport | Scheduled departures a day | 10 percent and 0.5 departures a day |
| Airline | Share of flights that arrived on time | 2.0 percentage points |
| Airline | Scheduled flights a day | 10 percent and 0.5 flights a day |
The page of a release lists each airline, each airport and each route with 1,200 or more flights in 12 months. The page of each other route shows its own changes.