Denver (DEN) to Hays (HYS): On-Time Performance
Data through July 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 78% on-time against a national 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 29 min
- completed flights
- Cancelled
- 2.1%
- Flights/day
- 1.7
- last 12 months
- Duration
- 1h 16m
- scheduled
- Distance
- 298 mi
Monthly on-time trend
Best time to fly from DEN to HYS
Aim for departures around 12 p.m. (91% on-time); avoid 8 p.m. departures (68%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 30 min |
| Tuesday | 78% | 40 min |
| Wednesdaybest | 83% | 15 min |
| Thursday | 78% | 28 min |
| Friday | 77% | 32 min |
| Saturday | 72% | 47 min |
| Sunday | 76% | 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 aircraft41%
- Airline operations43%
- National airspace system8%
- Weather9%
Frequently asked questions
- How often are flights from DEN to HYS delayed?
- 22% of DEN–HYS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 29 minutes.
- What is the best time of day to fly from DEN to HYS?
- Departures around 12 p.m. have the best record (91% on-time), while departures around 8 p.m. have the worst (68%). 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 16m over 298 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are DEN to HYS flights cancelled?
- 2.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, 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.
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Based on 1,307 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.