Omaha (OMA) to Las Vegas (LAS): On-Time Performance
Data through July 2026
The calendar drives reliability on OMA–LAS. November 2024 flights landed on schedule 91% of the time, but June 2026 dropped to 68% — a gap of 22 points. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (92% vs 73%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 3.1
- last 12 months
- Duration
- 2h 58m
- scheduled
- Distance
- 1,099 mi
Best airline from OMA to LAS
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Allegiant Airmost reliable | 85% | 17 min | 0.0% | 183 |
| Southwest Airlines | 84% | 11 min | 0.5% | 2,133 |
Monthly on-time trend
Best time to fly from OMA to LAS
Aim for departures around 6 a.m. (96% on-time); avoid 8 p.m. departures (67%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 12 min |
| Tuesday | 86% | 9 min |
| Wednesday | 85% | 7 min |
| Thursday | 80% | 16 min |
| Friday | 83% | 15 min |
| Saturdaybest | 86% | 7 min |
| Sunday | 86% | 10 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft55%
- Airline operations19%
- National airspace system22%
- Weather3%
Frequently asked questions
- How often are flights from OMA to LAS delayed?
- 16% of OMA–LAS 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 11 minutes.
- Which airline is most reliable from OMA to LAS?
- Allegiant Air has the best on-time record on this route at 85%, based on 183 flights. 2 airlines flew OMA–LAS frequently enough to compare in this period.
- What is the best time of day to fly from OMA to LAS?
- Departures around 6 a.m. have the best record (96% on-time), while departures around 8 p.m. have the worst (67%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from OMA to LAS?
- The scheduled OMA–LAS flight time averages 2h 58m over 1,099 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are OMA to LAS flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from OMA to LAS?
- June 2026 was the roughest month in this dataset, with only 68% of arrivals on time. The best was November 2024 at 91%. If your dates are flexible, that 22-point gap is worth planning around.
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Based on 2,316 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.