Denver (DEN) to Hays (HYS): On-Time Performance
Data through May 2026
When you fly DEN to HYS matters as much as anything else about the booking: the route swung from 98% on-time in November 2025 to just 53% in July 2025. Across the full period the route averages 79% on-time against a national 78%.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 27 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 1.7
- last 12 months
- Duration
- 1h 15m
- scheduled
- Distance
- 298 mi
Monthly on-time trend
Best time to fly from DEN to HYS
Aim for departures around 12 p.m. (89% on-time); avoid 4 p.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 26 min |
| Tuesday | 80% | 38 min |
| Wednesdaybest | 85% | 12 min |
| Thursday | 79% | 25 min |
| Friday | 79% | 31 min |
| Saturday | 69% | 50 min |
| Sunday | 78% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations45%
- National airspace system8%
- Weather9%
Frequently asked questions
- How often are flights from DEN to HYS delayed?
- 21% of DEN–HYS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 27 minutes.
- What is the best time of day to fly from DEN to HYS?
- Departures around 12 p.m. have the best record (89% on-time), while departures around 4 p.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to HYS?
- The scheduled DEN–HYS flight time averages 1h 15m over 298 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are DEN to HYS flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from DEN to HYS?
- July 2025 was the roughest month in this dataset, with only 53% of arrivals on time. The best was November 2025 at 98%. If your dates are flexible, that 45-point gap is worth planning around.
Explore related pages
More routes from DEN
Based on 1,253 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.