Skip to content
WanderNerd
Check a flight

Flight Reliability

HA 670 · Hawaiian Airlines

Honolulu → Seattle (HNL–SEA)

61
A Little Dicey
WanderNerd Reliability Score
57%
Arrive within 15 minutes
19 min
Average arrival delay
0%
Cancelled
10 min
Median arrival delay

Based on 147 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

HA 670 departing between 6–9 AM arrived on time 82% of the time, versus 55% between 9 AM–12 PM.

Thursdays have been rough.

HA 670 arrived on time 76% of the time on Saturdays and just 38% on Thursdays. That gap is worth planning around.

Well behind the HNL–SEA route.

HA 670 arrived on time 57% of the time, versus 76% across the HNL–SEA route.

Well behind the Hawaiian Airlines network.

HA 670 arrived on time 57% of the time, versus 83% across the Hawaiian Airlines network.

The breakdown

On-time by weekday
  • Mon71%(21 flights)
  • Tue52%(21 flights)
  • Wed48%(21 flights)
  • Thu38%(21 flights)
  • Fri48%(21 flights)
  • Sat76%(21 flights)
  • Sun67%(21 flights)
On-time by departure window
  • 6–9 AM82%(11 flights)
  • 9 AM–12 PM55%(136 flights)
On-time trend by month
48%
Oct

Jun 53% → Oct 48% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202553%30
July 202555%31
August 202558%31
September 202570%30
October 202548%25
Departures on time
71%
Diverted
0%
Flights flown
147
Months covered
5

Same route, other flights

Keep nerding

Based on 147 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.