Route reliability record
LAS→LGB
Las Vegas to Long Beach
- Flights
- 2,087
- Period
- September 2025 to August 2026
- Distance
- 231 mi
- Carriers
- 1
This route lands a B+, about a point worse than the national rate of 77.3%. About one flight in four arrives 15 minutes late or worse, and those flights are late by about 45 minutes on average. That rests on 2,087 LAS to LGB flights, with a median arrival 4 minutes early.
Best time to fly LAS to LGB: a 5am–8am departure, ideally on a Saturday. Flights in that window arrived on time 93.1% of the time and Saturday flights 84.9%, against 76.2% 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
76.2%
Arrivals under 15 minutes late, of 2,079 completed flights
Avg delay
45 min
Across delayed arrivals only, not all flights
Cancelled
0.38%
National rate is 1.89%
Best carrier
Southwest
76.2% on time across 2,087 flights
These figures cover 2,087 flights between September 2025 and August 2026. The median arrival is 4 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 LGB
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 |
|---|---|---|---|---|---|
| Southwest Airlines | 2,087 | 76.2% | 45 min | 0.38% | B+ |
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Best ways to make this trip
The most reliable ways to fly Las Vegas to Long Beach
Every airline on this route and on the routes between nearby airports, ranked by how often a scheduled flight actually operated and arrived on time. 5 of the top 5 use a different airport at one end.
| Option | Airline | Success | On time | Cancelled | Best departure | Most punctual flight |
|---|---|---|---|---|---|---|
| 1. LAS → SNALas Vegas to Santa Ana | Spirit Airlines | 87.5% | 89.1% | 1.82% | 8pm–5am, Sat | — |
| 2. LAS → SNALas Vegas to Santa Ana | SkyWest Airlines | 86.5% | 87.0% | 0.55% | 2pm–5pm, Wed | OO 4078 08:00 |
| 3. LAS → BURLas Vegas to Burbank | Spirit Airlines | 86.0% | 88.4% | 2.69% | 5am–8am, Tue | — |
| 4. LAS → LAXLas Vegas to Los Angeles | Spirit Airlines | 85.8% | 86.9% | 1.30% | 11am–2pm, Wed | — |
| 5. LAS → LAXLas Vegas to Los Angeles | United Airlines | 85.1% | 85.6% | 0.57% | 5am–8am, Wed | UA 2039 06:00 |
Success is the share of scheduled flights that operated and arrived less than 15 minutes late, so a cancelled flight counts against it. “(route)” means the best time comes from every carrier on the route rather than this airline alone.
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 27 points, against half a point between the best and worst carrier.
- 5am–8am276 flights93.1%
- 8am–11am431 flights84.1%
- 11am–2pm325 flights81.2%
- 2pm–5pm400 flights67.4%
- 5pm–8pm423 flights66.5%
- 8pm–5am232 flights67.4%
Scale runs 60% to 100%.
Book the early departure. Flights leaving between 5am–8am arrive on time 93.1% of the time, against 66.5% for the evening window. That is 27 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 8am–11am window is the busiest, with 431 flights scheduled in it.
Explore
Filter LAS to LGB 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 LGB, the best departure window is 5am–8am at 93.1% on time and the worst is 5pm–8pm at 66.5%, a wide gap of 26.6 points. All US flights leaving 5am–8am ran 89.3%.
- 5–8am93.1%
- 8–11am84.1%
- 11am–2pm81.2%
- 2–5pm67.4%
- 5–8pm66.5%
- 8pm–5am67.4%
best all US flightsScale 60% to 100%.
Across the year
When delays peak on this route
This route's year swings by 14 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.
June is the worst month at 69.8% on time, 14 points below January, the best at 84.1%. 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. October was the busiest month here, with 201 flights.
Across the week, Saturday is the strongest day at 84.9% on time and Friday the weakest at 67.9%, a spread of 17 points.
Delay causes
Why this route gets delayed
Late-arriving aircraft accounts for 53% of the 22,000 delay minutes carriers reported here, and the remaining four split what is left.
- 53%Late-arriving aircraft
- 33%Carrier
- 11%National Airspace System
- 3%Extreme weather
53% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. Across 22,000 reported delay minutes here, that single category outweighs weather by 16 to one. The split is drawn from 22,125 reported delay minutes.
The practical consequence: the 5am–8am departure is the one that starts clean. Its aircraft has no earlier leg to be late from, which is exactly why that window shows 93.1% on time here.
Cancellations are rare at 0.38%, 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
5.0% 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 about 45 minutes, which a normal layover absorbs.
At 231 miles this is a short hop, and stage length matters more than it looks. A flight this short spends under two hours in the air, which leaves almost nothing to claw back a late pushback with. Delay here is decided on the ground, in the turn, which is why the 5am–8am window matters as much as it does.
The return leg is a different operation and performs like one: it runs 80.4% on time across 2,087 flights, 4 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 4 points of difference.
The sample behind these figures is 2,087 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 LGB 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. January runs 84.1% on time and June 69.8%, a swing of 14 points. If the dates move at all, move them out of June before you think about anything else. 2,079 completed flights over 12 months sit behind that.
Common questions
LAS to LGB questions
How often is LAS to LGB 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 23.8% of the 2,087 flights in this analysis, against 22.7% nationally. Delayed flights are late by about 45 minutes on average.
How reliable is LAS to LGB compared with the rest of the country?
76.2% of flights arrive on time here against a national 77.3%, a difference of about a point against it. That is worth a B+ on this site's grading scale.
What time of day has the fewest delays on LAS to LGB?
The 5am–8am departure window is the strongest at 93.1% on time. The 5pm–8pm window is the weakest at 66.5%, 27 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 June delays on LAS to LGB?
June is the weakest month at 69.8% on time, compared with 84.1% in January. Across the year that is 14 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
- LGB to LAS — the return legseparate record
- Harry Reid International (LAS) delay statistics
- LAS to LAX, a related route77.9%
- SMF to LGB, a related route85.8%
- LAS to DEN, a related route76.5%
- Southwest Airlines on-time record76.2%
- 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 LGB and LGB 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.