Carrier route record

WNLAS→OGG

Southwest Airlines · Las Vegas to Kahului

Flights: 370
Period: July 2025 to June 2026
Share of route: 50%
Carriers: 3

Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Southwest Airlines.

Southwest on LAS to OGG earns an A+. Close to nine flights in ten arrive inside the 15-minute window the DOT uses to define an on-time arrival, which puts it 10 points better than the national rate of 77.6%. When something does go wrong the average delay runs about 40 minutes. That rests on 370 flights, with a median arrival 11 minutes early.

Set against the rest of the country, Southwest's LAS to OGG record is 10 points better than the US average of 77.6%. That gap is worth roughly 102 fewer late arrivals for every thousand flights.

On time

87.8%

Arrivals under 15 minutes late, of 368 completed flights

Avg delay

40 min

Across delayed arrivals only, not all flights

Cancelled

0.00%

National rate is 1.81%

Whole route

81.8%

Every carrier on LAS to OGG, 736 flights

These figures cover 370 flights between July 2025 and June 2026. The median arrival is 11 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.

Carrier by carrier

Southwest against every carrier on LAS to OGG

Southwest flew 370 of the 736 flights on LAS to OGG, most of the route. Its 87.8% on time is 6 points better than the route as a whole, which runs 81.8%. Ranked by on-time rate it is first of three carriers on the route, where the range runs from Southwest at 87.8% to Hawaiian at 70.9%. Two of those carriers flew fewer than 365 flights here, so treat their positions as rough.

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.

On-time performance by carrier on LAS to OGG
Airline	Flights	On time	Avg delay	Cancelled	Grade
Southwest Airlines (this page)	370	87.8%	40 min	0.00%	A+
Alaska Airlinesthin sample	181	80.4%	90 min	0.55%	B+
Hawaiian Airlinesthin sample	185	70.9%	88 min	1.62%	C

Departure window

When Southwest runs best on this route

Departure time is the single lever a traveller controls, and it moves the odds more than most people expect. Each bar below is the on-time rate for flights scheduled to leave inside that window, across 370 flights.

There are not enough flights in each departure window to split Southwest's LAS to OGG record by time of day without the percentages moving on noise. The headline rate of 87.8% is the reliable figure here.

Across the year

Southwest on LAS to OGG through the year

Darker means more delays. Figures are on-time percentages.May best, April worst

May is the best month on the calendar at 93.5% on time. Shoulder season thins the schedule and takes the summer weather with it, and the operation gets its margin back. March was the busiest month here, with 35 flights.

Across the week, Tuesday is the strongest day at 94.3% on time and Thursday the weakest at 76.9%. 17 points is a smaller lever than departure hour, but it is free.

Delay causes

Why Southwest runs late on this route

One category carries most of the weight here. Carrier accounts for 62% of the 1,617 delay minutes carriers reported, and the remaining four split what is left. The split is by minutes rather than by flights, so a few very long delays count for as much as many short ones.

Carrier
62%
National Airspace System
32%
Late-arriving aircraft
7%

The largest share of delay minutes, 62%, falls under carrier control: crew scheduling, maintenance, fuelling, baggage. Unlike weather, that is a management outcome, and it is the category where the gap between two carriers on the same schedule is genuinely earned. It accounts for 995 of the 1,617 delay minutes reported here. The split is drawn from 1,617 reported delay minutes.

Cancellations are rare at 0.00%, below the national 1.81% and low enough to earn the plus on the grade. Almost no flights are called off; the risk here is arriving late, not not arriving.

Connections and stage length

What a delay here costs

Badly late arrivals are rare here: only 2.2% land an hour or more behind schedule, against 8.1% nationally. Connections built on this flight are about as safe as US domestic connections get, though a cancelled flight still ignores every layover you give it.

At 2,695 miles this is transcontinental flying, and long routes get a quiet structural advantage. Scheduled block time on a flight this length carries more padding in absolute minutes, so a twenty-minute late departure often still becomes an on-time arrival. Read the on-time rate here as slightly flattering next to a short-haul route with the same operational quality.

The return leg is a different operation and performs like one: it runs 96.7% on time across 370 flights, 9 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 9 points of difference.

One caution: this is a thin sample. 370 flights over twelve months is enough to clear this site's floor but not enough to pin the rate down tightly, and a single bad week moves it by more than a point. Treat the grade as a rough reading.

What to do with this

Booking Southwest on LAS to OGG

Put together: treat all of this as provisional. 370 flights over twelve months is enough to clear this site's floor and not enough to be confident to better than a couple of points. The 87.8% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 368 completed flights over 12 months sit behind that.

Where to go next

Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.

Key figures