Omaha (OMA) to Denver (DEN): On-Time Performance
Data through May 2026
The calendar drives reliability on OMA–DEN. September 2024 flights landed on schedule 86% of the time, but June 2025 dropped to 64% — a gap of 23 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 64%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 9.0
- last 12 months
- Duration
- 1h 46m
- scheduled
- Distance
- 472 mi
Best airline from OMA to DEN
4 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 91% | 9 min | 0.7% | 425 |
| United Airlines | 79% | 17 min | 0.8% | 2,718 |
| Southwest Airlines | 75% | 16 min | 0.7% | 2,880 |
| Frontier Airlines | 65% | 34 min | 1.2% | 432 |
Monthly on-time trend
Best time to fly from OMA to DEN
Aim for departures around 5 a.m. (93% on-time); avoid 4 p.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 14 min |
| Tuesday | 77% | 18 min |
| Wednesday | 77% | 16 min |
| Thursday | 75% | 19 min |
| Friday | 76% | 17 min |
| Saturdaybest | 81% | 13 min |
| Sunday | 79% | 19 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations22%
- National airspace system37%
- Weather4%
Frequently asked questions
- How often are flights from OMA to DEN delayed?
- 23% of OMA–DEN 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 17 minutes.
- Which airline is most reliable from OMA to DEN?
- SkyWest Airlines has the best on-time record on this route at 91%, based on 425 flights. 4 airlines flew OMA–DEN frequently enough to compare in this period.
- What is the best time of day to fly from OMA to DEN?
- Departures around 5 a.m. have the best record (93% on-time), while departures around 4 p.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from OMA to DEN?
- The scheduled OMA–DEN flight time averages 1h 46m over 472 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are OMA to DEN flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from OMA to DEN?
- June 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was September 2024 at 86%. If your dates are flexible, that 23-point gap is worth planning around.
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Based on 6,455 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.