Carrier route record
ASSLC→HNL
Alaska Airlines · Salt Lake City to Honolulu
- Flights
- 182
- Period
- July 2025 to June 2026
- Share of route
- 21%
- Carriers
- 3
Historical statistics for July 2025 to June 2026, not live status. For today’s flights, check with Alaska Airlines.
Alaska on SLC to HNL draws a D. Roughly one flight in three arrives at least 15 minutes late, and the typical late arrival is about an hour behind schedule. Build slack into anything you connect to. That rests on 182 flights, with a median arrival 9 minutes late.
The national on-time rate over the same period is 77.6%, so Alaska on SLC to HNL runs 17 points behind the country as a whole. Across a thousand flights that is about 169 extra late arrivals.
Key figures
On time
60.7%
Arrivals under 15 minutes late, of 178 completed flights
Avg delay
63 min
Across delayed arrivals only, not all flights
Cancelled
1.65%
National rate is 1.81%
Whole route
76.7%
Every carrier on SLC to HNL, 858 flights
These figures cover 182 flights between July 2025 and June 2026. Beyond the headline rate, 8.4% of arrivals land a full hour or more behind schedule. That is the number that wrecks a connection, and it is not visible in an on-time percentage alone.
Carrier by carrier
Alaska against every carrier on SLC to HNL
Alaska flew 182 of the 858 flights on SLC to HNL, about 21% of it. Its 60.7% on time is 16 points worse than the route as a whole, which runs 76.7%. Ranked by on-time rate it is last of three carriers on the route, where the range runs from Delta at 81.0% to Alaska at 60.7%. One 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.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Delta Air Lines | 492 | 81.0% | 76 min | 1.63% | B |
| Hawaiian Airlinesthin sample | 184 | 80.9% | 152 min | 0.00% | B+ |
| Alaska Airlines (this page)thin sample | 182 | 60.7% | 63 min | 1.65% | D |
Departure window
When Alaska runs best on this route
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 18 points, against half a point between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am112 flights67.6%
- 8am–11am69 flights50.0%
- 11am–2pm—
- 2pm–5pm—
- 5pm–8pm—
- 8pm–5am1 flights—
Scale runs 40% to 75%. Rows with fewer than 30 flights show a dash.
Book the early departure. Flights leaving between 5am–8am arrive on time 67.6% of the time, against 50.0% for the morning window. That is 18 points of difference for no extra money, and it comes from the same aircraft having had no earlier flight to fall behind on. The 5am–8am window is the busiest, with 112 flights scheduled in it.
Across the year
Alaska on SLC to HNL through the year
- Jan–Mar 202691 flights51.1%
- Apr–Jun 202691 flights70.0%
Scale runs 45% to 75%. Rows with fewer than 30 flights show a dash.
Monthly volumes are too low here to break the year into twelve reliable readings. What the twelve-month total says is 60.7% on time across 182 flights.
Split by quarter, Alaska on SLC to HNL logged 91 flights in Jan–Mar 2026 and 91 flights in Apr–Jun 2026. Fewer than three of those quarters carried the 30 completed flights this site needs before printing a rate, so the 60.7% annual figure is the one to use.
Delay causes
Why Alaska runs late on this route
One category carries most of the weight here. Carrier accounts for 65% of the 4,379 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.
- 65%Carrier
- 28%Late-arriving aircraft
- 5%National Airspace System
- 1%Extreme weather
- 1%Security
The largest share of delay minutes, 65%, 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 2,846 of the 4,379 delay minutes reported here. The split is drawn from 4,379 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 67.6% on time here.
Cancellations sit at 1.65% against a national 1.81%, which is ordinary. Diversions add another 0.55%.
Connections and stage length
What a delay here costs
8.4% of arrivals land an hour or more late, close to the national 8.1%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last about an hour, which a normal layover absorbs.
At 2,994 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 78.8% on time across 180 flights, 18 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 18 points of difference.
One caution: this is a thin sample. 182 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 Alaska on SLC to HNL
Put together: treat all of this as provisional. 182 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 60.7% headline is the most reliable number on the page; the hour and month splits below it are built on a few dozen flights each. 178 completed flights over 12 months sit behind that.
Related
Where to go next
- SLC to HNL, every carrier
- Alaska on HNL to SLC, the return leg
- Delta Air Lines on SLC to HNL81.0%
- Hawaiian Airlines on SLC to HNL80.9%
- Alaska Airlines network-wide record
- Salt Lake City International (SLC) delay statistics
- Daniel K. Inouye International (HNL) delay statistics
- The best time of day to fly, according to 7.04 million flight records
- Connecting flights: how much buffer the data says you need
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.