ORD to LAF flight delays & on-time performance
Nonstop flights from Chicago O'Hare International Airport to Purdue University Airport · 119 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ORD or LAF right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Chicago (ORD) to Lafayette (LAF) arrived on time 68% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 4.1% 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 12pm did best (74% on time); around 10pm did worst (44%).
- Monday was the most reliable day to fly (75% on time) and Saturday the least (55%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
Which airline is most on time from ORD to LAF?
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. | 68% | 4.1% | 36 min | 14.4% | 567 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 12pm74%232 flights
- 4pm50%24 flights
- 9pm67%289 flights
- 10pm44%21 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday75%5.9% cancelled
- Tuesday73%5.5% cancelled
- Wednesday73%0.0% cancelled
- Thursday73%4.0% cancelled
- Friday65%3.9% cancelled
- Saturday55%1.9% cancelled
- Sunday64%5.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)43%
- Late-arriving aircraft37%
- Air traffic control & airport congestion17%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather87%
- Air traffic control & airport congestion13%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
ORD to LAF: common questions
- How often are ORD to LAF flights on time?
- 68% 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 Chicago to Lafayette cancelled?
- 4.1% of scheduled flights were cancelled (23 of 567).
- 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 110 min behind schedule on average, and 14.4% of flights were an hour or more late.
- How long is taxi time at ORD?
- Flights on this route spent 30 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAF to ORD — 75% on time
More flights from Chicago
More flights to Lafayette
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ORD → LAF, nonstop flights by US airlines that report to the DOT. How we calculate this.