PlainFlights

Route · ITO → HNL · 2020–2025 BTS data

Hilo to Honolulu

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ITO to HNL (Hilo to Honolulu) ranks #82 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

88.1%
On-time
+9.1 pts
vs US avg
53 min
Delay when late
33,567
Flights
#82 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Sep 2025 95%

Worst Month

Dec 2025 77%

Distance

216 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 540 122 0 0 WN,HA
Nov 2025 512 62 6 0 HA,WN
Oct 2025 514 59 2 0 WN,HA
Sep 2025 496 27 1 0 WN,HA
Aug 2025 534 37 2 0 WN,HA
Jul 2025 565 71 11 0 WN,HA
Jun 2025 522 57 0 0 WN,HA
May 2025 542 35 1 0 WN,HA
Apr 2025 540 62 7 0 HA,WN
Mar 2025 540 54 4 0 WN,HA
Feb 2025 488 40 1 0 WN,HA
Jan 2025 540 52 10 1 WN,HA
Dec 2024 531 50 1 0 HA,WN
Nov 2024 516 42 1 0 HA,WN
Oct 2024 524 55 5 0 WN,HA
Sep 2024 519 31 5 0 WN,HA
Aug 2024 551 42 27 0 HA,WN
Jul 2024 542 55 3 0 HA,WN
Jun 2024 522 70 0 0 HA,WN
May 2024 550 114 7 0 HA,WN
Apr 2024 543 53 1 0 HA,WN
Mar 2024 548 47 1 0 HA,WN
Feb 2024 524 46 2 0 HA,WN
Jan 2024 562 119 6 0 HA,WN

ITO–HNL seasonal on-time pattern

Best: September (94.5%) · weakest: December (81.5%)

80%85%90%95%100% JanFebMarAprMayJunJulAugSepOctNovDec 81.5%

Strongest calendar month

September

94.5% on-time · ~447 flights/mo

Busiest calendar month

July

~500 flights/mo avg

Weakest calendar month

December

81.5% on-time · ~487 flights/mo

Cancellation Rate

0.8%

104 of 12,765 flights

Diversion Rate

0.0%

1 of 12,765 flights

Explore origin & destination

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

ITO - Hilo

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

ITO on-time profile

HNL - Honolulu

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

HNL on-time profile

Compare the two airports

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

Compare ITO vs HNL

Origin-hub reliability standing

Among ITO's stronger departures

ITO → HNL posts a 88.1% on-time rate, landing in the ≥85% band with 2 of 2 BTS-tracked routes leaving Hilo. The same hub also shows 0 mid-band and 0 challenged departures · fleet-wide on-time rank #403 of 4927 (highest on-time = #1).

What the Data Says About ITO to HNL

Hilo to Honolulu (ITO to HNL) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 88.1% on-time rate across 33,567 flights, with delays that do happen averaging 53.3 minutes. The corridor runs roughly 216 miles and is served by 2 carriers. Over the most recent 24 months, 104 of 12,765 flights were cancelled (0.8%) and 1 diverted (0.0%).

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 95% on-time, while Dec 2025 came in at just 77% - a 17-point swing worth factoring into travel timing.

On the multi-year calendar, ITO–HNL peaks in September at 94.5% on-time while July carries the heaviest traffic (~500 flights per month) ; the softest month is December at 81.5%, a 13.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ITO to HNL rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ITO to HNL ranks #82 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 ITO to HNL? ▼
Flights from Hilo to Honolulu have a 88.1% on-time rate based on 33,567 flights. The average delay is 53.3 minutes. The best recent month was Sep 2025 with 95% on-time.
What is the cancellation rate for ITO to HNL? ▼
Over the last 24 months, 0.8% of flights on this route were cancelled (104 of 12,765 flights) and 0.0% were diverted.
How far is the flight from ITO to HNL? ▼
The flight distance from Hilo (ITO) to Honolulu (HNL) is approximately 216 miles. This route is served by 2 carriers.
When is the best time to fly from ITO to HNL? ▼
The best recent month for on-time performance was Sep 2025 (95% on-time). The worst was Dec 2025 (77% on-time). Consider booking during months with historically better performance.

Airports on this route

ITO Airport

Hilo
HNL Airport

Honolulu
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 ITO–HNL data

ITO–HNL runs 9.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare ITO and HNL airport profiles: delay causes and top routes differ even on the same corridor. ITO airport
  • If your dates flex, September (94.5% on-time) beats December (81.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 88.1% 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.