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Airport · ITO · Hilo, Hawaii

Hilo, HI

According to PlainFlights' airport traffic ranking (BTS On-Time Performance total flights), Hilo, HI (ITO) ranks #123 of 382 tracked US airports by total flights (most flights = #1). Hilo, HI posts top-10% on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport.

Data updated 2026-06-13

88.2%
On-time
Top 9%
on-time, US airports
54 min
Delay when late
0.74%
Cancelled
#123 of 382
Corpus placement
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ITO on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%88.2%

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 184,193.

Late Aircraft 64.1% (117,984 min)
Carrier 25.5% (46,924 min)
NAS (National Aviation System) 7.3% (13,358 min)
Weather 2.3% (4,306 min)
Security 0.9% (1,621 min)

ITO - seasonal on-time pattern

Best: September (97.3%) · worst: December (91.9%)

90%92%94%96%98% JanFebMarAprMayJunJulAugSepOctNovDec 91.9%

ITO - on-time rate by year

2020–2025, year-over-year trend.

90%95%100% 202020212022202320242025 98.4% 95.1% ▼ -3.4%

ITO - taxi-out and taxi-in (monthly)

Average taxi-out 10.1 min · taxi-in 5.2 min over the last 24 reported months (U.S. airport mean taxi-out ≈ 16.4 min).

9.5 min10 min10.5 min11 min11.5 min Jan 24Dec 25 11.1 min 10.2 min ▼ -8.1%

ITO's average taxi-out (10.1 min) stays shorter than the recent U.S. airport mean (~16.4 min). Even the heaviest month (January 2024, 11.1 min) is milder than many hubs' typical book.

Cancellation & Diversion Analysis

Flight disruption statistics for Hilo, HI.

Cancellation Rate

0.74%

538 of 72,372 flights

Diversion Rate

0.02%

15 of 72,372 flights

Delay Rate

11.8%

8,539 of 72,372 flights

Top Routes from ITO

Busiest routes to and from Hilo, HI.

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Route Flights On-Time Distance
ITO (Hilo) → HNL (Honolulu) 33,567 88.1% 216 mi
HNL (Honolulu) → ITO (Hilo) 33,561 87% 216 mi
OGG (Kahului) → ITO (Hilo) 978 80.3% 121 mi
ITO (Hilo) → OGG (Kahului) 960 88.1% 121 mi

Nationwide peers by on-time rate & flight volume

Two PlainFlights-derived comparison paths for Hilo, HI, both outside Hawaii so the neighborhoods are not same-state geography. Axes stay disjoint: volume peers exclude the on-time peer set. Same-state compare stays below.

Similar on-time rate

Nearest out-of-state BTS on-time rate (this airport: 88.2%).

Paducah, KY

Paducah, KY

88.2% on-time 4,333 flights

Great Falls, MT

Great Falls, MT

88.3% on-time 29,395 flights

Valdosta, GA

Valdosta, GA

88.3% on-time 9,259 flights

International Falls, MN

International Falls, MN

88.3% on-time 7,505 flights

Similar flight volume

Nearest out-of-state total flights (this airport: 72,372).

South Bend, IN

South Bend, IN

72,322 flights 81.5% on-time

Fargo, ND

Fargo, ND

74,155 flights 82.6% on-time

Phoenix, AZ

Phoenix, AZ

70,097 flights 78.7% on-time

Manchester, NH

Manchester, NH

69,564 flights 82.3% on-time

Other Airports in Hawaii

Compare performance with other Hawaii airports.

HNL 84.6%

Honolulu, HI

Honolulu · 631,778 flights
OGG 84.7%

Kahului, HI

Kahului · 304,696 flights
KOA 86.3%

Kona, HI

Kona · 177,017 flights
LIH 86.7%

Lihue, HI

Lihue · 162,570 flights

ITO delay-share reading

The standout signal at Hilo, HI is the delay mix: Late Aircraft owns 64.1% of 184,193 delay minutes across 72,372 BTS flights. The on-time headline is 88.2% (9.2 pts above the 79% national average), with 8,539 delayed and 538 cancelled (0.74%).

Delay minutes concentrate in Late Aircraft (64.1% late-aircraft, 25.5% carrier, 7.3% NAS, 2.3% weather, 0.9% security). As a busy airport, that mix matters more for connection planning than for a thin schedule.

On the multi-year calendar, ITO is strongest in September (97.3% on-time) and weakest in December (91.9%), a 5.4-point swing. Volume peaks in July (~1,081 flights/month). The busiest connecting route is to HNL (Honolulu) at 88.1% on-time. Field definitions: on-time performance explained.

Statewide aggregates for Hawaii: Hawaii flight data.

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

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

Using ITO's data

ITO's on-time book is stronger than most peers; the remaining risk sits in the delay mix, not a weak headline rate.

  • Check the busiest route from ITO before you book a connection. See top routes
  • Travel in September rather than December if your dates are flexible. Seasonal patterns
  • Gate-to-wheels taxi-out averages 10.1 min here; check the monthly series before a tight connection. Taxi times

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

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

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.