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Route · HNL → SLC · 2020–2025 BTS data

Honolulu to Salt Lake City

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), HNL to SLC (Honolulu to Salt Lake City) ranks #3506 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

88.4%
On-time
+9.4 pts
vs US avg
94 min
Delay when late
2,536
Flights
#3506 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Aug 2024 97%

Worst Month

Dec 2025 75%

Distance

2,994 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 89 22 0 0 DL,HA
Nov 2025 76 13 0 2 HA,DL
Oct 2025 62 7 0 0 DL,HA
Sep 2025 60 4 2 0 DL,HA
Aug 2025 62 11 0 0 HA,DL
Jul 2025 62 5 1 0 DL,HA
Jun 2025 60 4 1 1 DL,HA
May 2025 62 9 0 0 DL,HA
Apr 2025 73 16 0 0 HA,DL
Mar 2025 91 16 0 1 DL,HA
Feb 2025 76 12 0 0 DL,HA
Jan 2025 85 19 2 0 DL,HA
Dec 2024 89 10 1 0 DL,HA
Nov 2024 69 5 0 0 HA,DL
Oct 2024 62 7 2 0 DL,HA
Sep 2024 60 3 1 0 DL,HA
Aug 2024 62 2 0 0 DL,HA
Jul 2024 62 6 2 0 DL,HA
Jun 2024 60 4 0 0 DL,HA
May 2024 48 8 0 0 DL,HA
Apr 2024 30 4 0 0 DL
Mar 2024 31 2 0 0 DL
Jan 2024 31 4 0 0 DL
Dec 2023 31 1 0 0 DL

HNL–SLC seasonal on-time pattern

Best: September (92.4%) · weakest: February (84.2%)

82%84%86%88%90%92%94% JanFebMarAprMayJunJulAugSepOctNovDec 85.7%

Strongest calendar month

September

92.4% on-time · ~42 flights/mo

Busiest calendar month

February

~76 flights/mo avg

Weakest calendar month

February

84.2% on-time · ~76 flights/mo

Cancellation Rate

0.8%

12 of 1,493 flights

Diversion Rate

0.3%

4 of 1,493 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

HNL - Honolulu

Full on-time, delay-cause, and seasonal performance for Honolulu, HI.

HNL on-time profile

SLC - Salt Lake City

Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.

SLC on-time profile

Compare the two airports

See HNL and SLC side by side on delays, cancellations, and reliability.

Compare HNL vs SLC

Origin-hub reliability standing

Among HNL's stronger departures

HNL → SLC posts a 88.4% on-time rate, landing in the ≥85% band with 13 of 27 BTS-tracked routes leaving Honolulu. The same hub also shows 11 mid-band and 3 challenged departures · fleet-wide on-time rank #345 of 4927 (highest on-time = #1).

What the Data Says About HNL to SLC

Honolulu to Salt Lake City (HNL to SLC) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.4% on-time rate across 2,536 flights, with delays that do happen averaging 94.4 minutes. The corridor runs roughly 2,994 miles and is served by 3 carriers. Over the most recent 24 months, 12 of 1,493 flights were cancelled (0.8%) and 4 diverted (0.3%).

The monthly split is wide on this route: Aug 2024 posted the strongest performance at 97% on-time, while Dec 2025 came in at just 75% - a 22-point swing worth factoring into travel timing.

On the multi-year calendar, HNL–SLC peaks in September at 92.4% on-time while February carries the heaviest traffic (~76 flights per month) ; the softest month is February at 84.2%, a 8.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does HNL to SLC rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, HNL to SLC ranks #3506 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from HNL to SLC? ▼
Flights from Honolulu to Salt Lake City have a 88.4% on-time rate based on 2,536 flights. The average delay is 94.4 minutes. The best recent month was Aug 2024 with 97% on-time.
What is the cancellation rate for HNL to SLC? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (12 of 1,493 flights) and 0.3% were diverted.
How far is the flight from HNL to SLC? ▼
The flight distance from Honolulu (HNL) to Salt Lake City (SLC) is approximately 2,994 miles. This route is served by 3 carriers.
When is the best time to fly from HNL to SLC? ▼
The best recent month for on-time performance was Aug 2024 (97% on-time). The worst was Dec 2025 (75% on-time). Consider booking during months with historically better performance.

Airports on this route

HNL Airport

Honolulu
SLC Airport

Salt Lake City
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using HNL–SLC data

HNL–SLC runs 9.4 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare HNL and SLC airport profiles: delay causes and top routes differ even on the same corridor. HNL airport
  • If your dates flex, September (92.4% on-time) beats February (84.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 88.4% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.