Route Reliability
Key West → Chicago
EYW–ORD · 1,251 miles · Key West International Airport to Chicago O'Hare International Airport
- 68%
- Arrive within 15 minutes
- 24 min
- Average arrival delay
- 1.2%
- Cancelled
- 665
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.American Airlines68%386 flights
- 2.United Airlines68%279 flights
What the data says
Morning-you made the right choice.
EYW–ORD flights departing between 6–9 AM arrived on time 84% of the time, versus 64% between 3–6 PM.
Sunday scaries are real for this one.
EYW–ORD flights arrived on time 73% of the time on Saturdays. On Sundays: 64%.
Not much between American Airlines and United Airlines.
On this route they all land within 68% to 68% on time. Pick on schedule and price.
Trending in the right direction.
EYW–ORD flights arrived on time 75% of the time over the last three months in the data, compared with 62% 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
- Mon70%(89 flights)
- Tue68%(85 flights)
- Wed71%(85 flights)
- Thu64%(87 flights)
- Fri66%(94 flights)
- Sat73%(109 flights)
- Sun64%(92 flights)
- 6–9 AM84%(31 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM72%(235 flights)
- 3–6 PM64%(263 flights)
- 6–9 PM66%(111 flights)
Nov 71% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 71% | 65 |
| December 2025 | 59% | 88 |
| January 2026 | 64% | 98 |
| February 2026 | 61% | 95 |
| March 2026 | 75% | 105 |
| April 2026 | 64% | 92 |
| May 2026 | 86% | 80 |
Keep nerding
Based on 665 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.