Purdue University Airport (LAF): Delays & On-Time Performance
Data through July 2026
Purdue University Airport (LAF) in Lafayette, IN is a middle-of-the-pack performer: 79% of departures are on time, within a few points of the national 78%. It hosts 1 airlines flying 2 departures a day to 1 destinations, with cancellations at 3%.
- Departures on-time
- 79%
- left <15 min late
- Avg dep delay
- 33 min
- Arrivals on-time
- 68%
- Cancelled
- 3.0%
- Destinations
- 1
- nonstop
- Airlines
- 1
Plan your departure from LAF
The choices most likely to improve your odds, based on this airport’s historical record.
- Best day to fly
- Wednesday
- 87% on-time
- Cancellation risk
- 3.0%
- above the US average
Monthly on-time trend
Best time of day to depart from LAF
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 41 min |
| Tuesday | 79% | 29 min |
| Wednesdaybest | 87% | 10 min |
| Thursday | 76% | 40 min |
| Friday | 72% | 26 min |
| Saturday | 73% | 34 min |
| Sunday | 70% | 54 min |
Busiest routes from LAF
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| LAF → ORD (Chicago) | 566 | 75% | 36 min |
Where flights into LAF come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| ORD (Chicago) → LAF | 567 | 68% | 36 min |
What causes delays at LAF
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing LAF.
- Late-arriving aircraft41%
- Airline operations37%
- National airspace system14%
- Weather8%
Alternative airports near Lafayette
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| IND — Indianapolis International Airport | 59 mi | 82% | 14 min |
| CMI — University of Illinois Willard Airport | 75 mi | 83% | 18 min |
| SBN — South Bend International Airport | 95 mi | 77% | 24 min |
| FWA — Fort Wayne International Airport | 99 mi | 77% | 24 min |
| MDW — Chicago Midway International Airport | 104 mi | 74% | 16 min |
Compare the airport-level record first, then check the exact route you plan to book.
Frequently asked questions
- How often are flights delayed at LAF?
- 21% of departures from Purdue University Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 33 minutes. The national on-time average over the same period was 78%.
- How often are flights cancelled at LAF?
- 3% of scheduled departures from LAF were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 566 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.