Route Reliability
Chicago → JST
ORD–JST · 487 miles · Chicago O'Hare International Airport to JST Airport
- 64%
- Arrive within 15 minutes
- 52 min
- Average arrival delay
- 4.4%
- Cancelled
- 362
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 64% of the time across 362 flights. No comparison to make.
What the data says
Friday is doing you no favors.
ORD–JST flights arrived on time 68% of the time on Sundays. On Fridays: 55%.
Keep a backup plan handy.
This route was cancelled 4.4% of the time. Typical for U.S. flights is around 1–2%.
Trending in the right direction.
ORD–JST flights arrived on time 70% of the time over the last three months in the data, compared with 56% in the three months before that.
Flights on this route
The breakdown
- Mon59%(44 flights)
- Tue67%(51 flights)
- Wed63%(49 flights)
- Thu67%(46 flights)
- Fri55%(49 flights)
- Sat67%(48 flights)
- Sun68%(47 flights)
Jun 67% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 27 |
| July 2025 | 60% | 30 |
| August 2025 | 67% | 30 |
| September 2025 | 77% | 30 |
| October 2025 | 65% | 31 |
| November 2025 | 46% | 24 |
| December 2025 | 48% | 25 |
| January 2026 | 48% | 27 |
| February 2026 | 73% | 26 |
| March 2026 | 64% | 28 |
| April 2026 | 59% | 27 |
| May 2026 | 86% | 29 |
Keep nerding
Based on 362 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.