Route Reliability
Chicago → LSE
ORD–LSE · 215 miles · Chicago O'Hare International Airport to LSE Airport
- 76%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 4.1%
- Cancelled
- 1,049
- Flights in the data
Data through May 2026.
American Airlines is the only airline in this data on this route, arriving on time 76% of the time across 1,049 flights. No comparison to make.
What the data says
Morning flights do better here.
ORD–LSE flights departing between 6–9 AM arrived on time 85% of the time, versus 67% between 6–9 PM.
Wednesday is the weak spot.
ORD–LSE flights arrived on time 83% of the time on Tuesdays. On Wednesdays: 73%.
Keep a backup plan handy.
This route was cancelled 4.1% of the time. Typical for U.S. flights is around 1–2%.
Trending in the right direction.
ORD–LSE flights arrived on time 80% of the time over the last three months in the data, compared with 67% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon74%(147 flights)
- Tue83%(143 flights)
- Wed73%(143 flights)
- Thu74%(148 flights)
- Fri75%(146 flights)
- Sat79%(131 flights)
- Sun74%(147 flights)
- 6–9 AM85%(161 flights)
- 9 AM–12 PM84%(174 flights)
- 12–3 PM71%(112 flights)
- 3–6 PM76%(224 flights)
- 6–9 PM67%(52 flights)
- 9 PM–12 AM70%(282 flights)
Jun 76% → May 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 90 |
| July 2025 | 69% | 89 |
| August 2025 | 77% | 81 |
| September 2025 | 82% | 83 |
| October 2025 | 82% | 88 |
| November 2025 | 87% | 77 |
| December 2025 | 55% | 83 |
| January 2026 | 67% | 81 |
| February 2026 | 78% | 80 |
| March 2026 | 78% | 78 |
| April 2026 | 77% | 83 |
| May 2026 | 84% | 92 |
Keep nerding
Based on 1,049 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.