Purdue University (LAF) Delays and On-Time Departures
Lafayette, IN · ranked 205th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
79.4% of the 566 flights scheduled to depart Lafayette (LAF) in the last 12 months left on time, 2.0 points above the US average of 77.4%.
That ranks 205th of 333 US airports tracked on this site, with 3.0% of departures cancelled.
Over 24 months, Wednesday was the most reliable day (92% on time) and April the worst month (64%).
Best time of day to fly out of Lafayette (LAF)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 84.3% | 1.7% | 344 |
| 9am–10am | Limited data | 2 | |
| 10am–11am | Limited data | 13 | |
| 11am–12pm | Limited data | 1 | |
| 2pm–3pm | 71.4% | 4.8% | 206 |
Airlines at LAF 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 | 79.4% | 75.1% | 3.0% | 566 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of LAF
On-time departures by day, 24 months.
Best month to fly out of LAF
On-time departures by month, 24 months.
Holiday travel at Lafayette (LAF)
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 | 10 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 27 | ||
| Summer peak (Jun 15 - Aug 15) | 84.5% | +5.2 pts | 3.5% | 87 |
| All other days | 79.3% | — | 2.7% | 442 |
Monthly on-time departure trend at LAF
On-time departure % each month, with the 12-month US average for reference.
Routes from Lafayette (LAF)
Every route from LAF with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| LAF → Chicago (ORD) | 75.1% | 3.0% | 566 |