OMA to LAS flight delays & on-time performance
Nonstop flights from Eppley Airfield to Harry Reid International Airport · 1,099 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at OMA or LAS right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Omaha (OMA) to Las Vegas (LAS) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- Allegiant Air was the most punctual airline here (86% on time); Southwest Airlines was the least (83%).
- Departures scheduled around 6am did best (95% on time); around 8pm did worst (65%).
- Sunday was the most reliable day to fly (85% on time) and Thursday the least (79%).
- The largest source of delay minutes was late-arriving aircraft (56%).
Which airline is most on time from OMA to LAS?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Allegiant Air | 86% | 0.0% | 19 min | 6.1% | 98 |
| Southwest Airlines | 83% | 0.6% | 12 min | 6.1% | 1,029 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am94%98 flights
- 6am95%164 flights
- 7am92%86 flights
- 11am84%63 flights
- 12pm86%186 flights
- 1pm83%87 flights
- 3pm82%33 flights
- 4pm75%84 flights
- 5pm83%40 flights
- 6pm73%49 flights
- 7pm70%89 flights
- 8pm65%108 flights
- 9pm58%12 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday83%0.5% cancelled
- Tuesday84%0.0% cancelled
- Wednesday82%0.0% cancelled
- Thursday79%0.0% cancelled
- Friday85%0.0% cancelled
- Saturday82%0.9% cancelled
- Sunday85%2.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft56%
- Airline (crew, maintenance, cleaning, fueling)21%
- Air traffic control & airport congestion19%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Airline (crew, maintenance, cleaning, fueling)17%
- Air traffic control & airport congestion17%
- Security0%
OMA to LAS: common questions
- How often are OMA to LAS flights on time?
- 83% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Omaha to Las Vegas cancelled?
- 0.5% of scheduled flights were cancelled (6 of 1,127).
- How long are typical delays?
- Across all flights the average arrival delay was 13 min (early arrivals count as zero). Flights that were late arrived 69 min behind schedule on average, and 6.1% of flights were an hour or more late.
- How long is taxi time at OMA?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAS to OMA — 77% on time
More flights from Omaha
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: OMA → LAS, nonstop flights by US airlines that report to the DOT. How we calculate this.