Route Reliability
JMS → Denver
JMS–DEN · 573 miles · JMS Airport to Denver International Airport
- 79%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 2.5%
- Cancelled
- 605
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 79% of the time across 605 flights. No comparison to make.
What the data says
The 12–3 PM departure wins.
JMS–DEN flights departing between 12–3 PM arrived on time 90% of the time, versus 71% between 6–9 PM.
Saturdays have been rough.
JMS–DEN flights arrived on time 88% of the time on Sundays and just 64% on Saturdays. That gap is worth planning around.
Ticking up lately.
JMS–DEN flights arrived on time 83% of the time over the last three months in the data, compared with 77% in the three months before that.
Flights on this route
The breakdown
- Mon80%(97 flights)
- Tue69%(51 flights)
- Wed85%(96 flights)
- Thu77%(95 flights)
- Fri80%(98 flights)
- Sat64%(52 flights)
- Sun88%(100 flights)
- 9 AM–12 PM89%(242 flights)
- 12–3 PM90%(20 flights)
- 6–9 PM71%(327 flights)
Jun 90% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 29 |
| July 2025 | 65% | 52 |
| August 2025 | 67% | 52 |
| September 2025 | 82% | 51 |
| October 2025 | 77% | 53 |
| November 2025 | 96% | 50 |
| December 2025 | 73% | 51 |
| January 2026 | 78% | 50 |
| February 2026 | 80% | 46 |
| March 2026 | 85% | 52 |
| April 2026 | 82% | 50 |
| May 2026 | 81% | 53 |
Keep nerding
Based on 605 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.