LAF to ORD flight delays & on-time performance
Nonstop flights from Purdue University Airport to Chicago O'Hare International Airport · 119 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAF or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Lafayette (LAF) to Chicago (ORD) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3% were cancelled, and 14% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (80% on time); around 2pm did worst (68%).
- Wednesday was the most reliable day to fly (87% on time) and Sunday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (41%).
Which airline is most on time from LAF to ORD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 75% | 3.0% | 36 min | 14.1% | 566 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am80%344 flights
- 10am75%13 flights
- 2pm68%206 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%3.0% cancelled
- Tuesday81%1.9% cancelled
- Wednesday87%1.9% cancelled
- Thursday76%1.0% cancelled
- Friday72%4.9% cancelled
- Saturday73%3.7% cancelled
- Sunday70%4.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft41%
- Airline (crew, maintenance, cleaning, fueling)37%
- Air traffic control & airport congestion14%
- Extreme weather8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather82%
- Air traffic control & airport congestion18%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
LAF to ORD: common questions
- How often are LAF to ORD flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Lafayette to Chicago cancelled?
- 3.0% of scheduled flights were cancelled (17 of 566).
- How long are typical delays?
- Across all flights the average arrival delay was 36 min (early arrivals count as zero). Flights that were late arrived 140 min behind schedule on average, and 14.1% of flights were an hour or more late.
- How long is taxi time at LAF?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAF → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.