Route reliability record
LAS→OMA
Las Vegas to Omaha
- Flights
- 1,132
- Period
- September 2025 to August 2026
- Distance
- 1,099 mi
- Carriers
- 2
This route sits in the middle of the pack with a B+. Close to three flights in four arrive on time by the DOT's definition, 2 points worse than the national rate of 77.3%. The late ones land roughly 55 minutes behind schedule. That rests on 1,132 LAS to OMA flights, with a median arrival 3 minutes early.
Best time to fly LAS to OMA: a 8am–11am departure, ideally on a Tuesday. Flights in that window arrived on time 90.9% of the time and Tuesday flights 85.7%, against 75.6% for the route overall.
The US average over the same twelve months is 77.3%, so there is little to separate this route from the country as a whole. The variation that matters here is internal: which carrier, and what time of day.
Key figures
On time
75.6%
Arrivals under 15 minutes late, of 1,126 completed flights
Avg delay
54 min
Across delayed arrivals only, not all flights
Cancelled
0.35%
National rate is 1.89%
Best carrier
Southwest
74.2% on time across 1,034 flights
These figures cover 1,132 flights between September 2025 and August 2026. The median arrival is 3 minutes early, which is the part an average hides: most flights here are fine, and the on-time rate is decided by a tail of badly late ones. On-time means under 15 minutes late, the DOT's own threshold.
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Carrier by carrier
Which airline is most reliable on LAS to OMA
Only one carrier clears this site's 365-flight floor here, so there is no comparison to draw. The table below is the full picture.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Allegiant Airthin sample | 98 | 89.7% | 111 min | 0.00% | A+ |
| Southwest Airlines | 1,034 | 74.2% | 51 min | 0.39% | C+ |
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Departure window
The best time of day to leave
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 34 points, against half a point between the best and worst carrier.
- 5am–8am290 flights89.2%
- 8am–11am187 flights90.9%
- 11am–2pm167 flights77.1%
- 2pm–5pm163 flights63.6%
- 5pm–8pm244 flights60.9%
- 8pm–5am81 flights56.8%
Scale runs 50% to 95%.
The 8pm–5am window is where this operation falls apart: 56.8% on time, against 90.9% for the 8am–11am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 5am–8am window is the busiest, with 290 flights scheduled in it.
Explore
Filter LAS to OMA by airline, time, month and day
Pick a breakdown and a carrier. The dashed mark on each row is the same slice for every US flight.
On LAS to OMA, the best departure window is 8am–11am at 90.9% on time and the worst is 8pm–5am at 56.8%, a wide gap of 34.1 points. All US flights leaving 8am–11am ran 83.9%.
- 5–8am89.2%
- 8–11am90.9%
- 11am–2pm77.1%
- 2–5pm63.6%
- 5–8pm60.9%
- 8pm–5am56.8%
best all US flightsScale 50% to 95%.
Across the year
When delays peak on this route
This route's year swings by 24 points from best month to worst, which is wide. An annual average tells you very little about the week you are actually flying, so read the strip rather than the headline if your dates are fixed.
August is the worst month at 59.6% on time, 24 points below April, the best at 83.5%. Summer afternoon convection and peak-season schedules land on the same weeks every year, so this is a pattern you can book around rather than a run of bad luck. March was the busiest month here, with 102 flights.
Across the week, Tuesday is the strongest day at 85.7% on time and Thursday the weakest at 68.2%, a spread of 18 points.
Delay causes
Why this route gets delayed
Late-arriving aircraft accounts for 53% of the 15,000 delay minutes carriers reported here, and the remaining four split what is left.
- 53%Late-arriving aircraft
- 39%Carrier
- 8%National Airspace System
- 0%Extreme weather
- 0%Security
53% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 15,000 reported delay minutes here, that single category outweighs weather by 53 to one. The split is drawn from 14,713 reported delay minutes.
The largest share of delay minutes, 39%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. It accounts for 5,695 of the 15,000 delay minutes reported here.
Cancellations are rare at 0.35%, below the national 1.89% and low enough to earn the plus on the grade. Roughly one flight in 100 is called off; the risk here is arriving late, not not arriving.
Connections and stage length
What a delay here actually costs
6.6% of arrivals land an hour or more late, close to the national 8.3%, so a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last roughly 55 minutes, which a normal layover absorbs.
The 1,099 miles between these two airports put this in the middle of the US network, around two and a half to three hours of block time. That is enough cruise to absorb a ten-minute late pushback and not enough to absorb thirty.
The return leg is a different operation and performs like one: it runs 82.0% on time across 1,132 flights, 6 points above this direction. Departure banks, aircraft rotations and the congestion at each end all differ, so scoring the two directions together would average away a real 6 points of difference.
The sample behind these figures is 1,132 flights, enough that the headline rate is stable to within roughly a point. The hour-block and month splits divide that further, so read the thinner bars with more caution than the headline.
Work out the risk of missing a connection in OMA after this flight
What to do with this
Booking this route
Put together: the calendar is the biggest lever here, not the carrier or the hour. April runs 83.5% on time and August 59.6%, a swing of 24 points. If the dates move at all, move them out of August before you think about anything else. 1,126 completed flights over 12 months sit behind that.
Common questions
LAS to OMA questions
How often is LAS to OMA delayed?
About one flight in four arrives at least 15 minutes late, which is the Department of Transportation's definition of a delayed arrival. That works out to 24.4% of the 1,132 flights in this analysis, against 22.7% nationally. Delayed flights are late by roughly 55 minutes on average.
How reliable is LAS to OMA compared with the rest of the country?
75.6% of flights arrive on time here against a national 77.3%, a difference of 2 points against it. That is worth a B+ on this site's grading scale.
What time of day has the fewest delays on LAS to OMA?
The 8am–11am departure window is the strongest at 90.9% on time. The 8pm–5am window is the weakest at 56.8%, 34 points behind. Later departures inherit delays from earlier flights the same aircraft has already flown, which is why the curve slopes the way it does.
How bad are August delays on LAS to OMA?
August is the weakest month at 59.6% on time, compared with 83.5% in April. Across the year that is 24 points between the best and worst months. Moving flexible dates out of that month is one of the few things that reliably helps.
Related
Where to go next
- OMA to LAS — the return legseparate record
- Harry Reid International (LAS) delay statistics
- Eppley Airfield (OMA) delay statistics
- LAS to LAX, a related route77.9%
- DEN to OMA, a related route76.9%
- LAS to DEN, a related route76.5%
- Allegiant Air on-time record89.7%
- Southwest Airlines on-time record74.2%
- Why the first flight of the morning is statistically safest
- The best time of day to fly, according to 7.05 million flight records
Direction matters. LAS to OMA and OMA to LAS are scored separately because they are separate operations, with different departure banks and different aircraft. Compare the return leg.
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Source: US DOT Bureau of Transportation Statistics, on-time performance data, September 2025 to August 2026. Last updated ; recomputed monthly. How this data is collected.