BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
GUM→HNL

Guam, TT (GUM) to Honolulu, HI (HNL) flight delay odds

87.1% of 365 official scheduled GUM-to-HNL flights arrived on time; 6.6% arrived at least 30 minutes late and 1.9% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
87.1%arrived on time
6.6%30+ min late
1.9%cancelled
365scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.0%all scheduled flights
120+ minutes late1.1%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival-3.6 mincompleted flights

Which departure time was most reliable for GUM to HNL?

Only Early morning met the GUM-to-HNL departure window threshold: 87.1% of 365 scheduled flights arrived on time during July 2025–June 2026.

Departure windowFlightsOn time30+ minCancelled
Early morning36587.1%6.6%1.9%

Which weekday was most reliable for GUM to HNL?

Among qualifying GUM-to-HNL weekday results, Friday had the highest on-time rate: 94.2% of 52 flights. Saturday was lowest at 78.8% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5284.6%7.7%3.8%
Tuesday5388.7%1.9%3.8%
Wednesday5284.6%9.6%1.9%
Thursday5288.5%5.8%1.9%
Friday5294.2%3.8%0.0%
Saturday5278.8%15.4%1.9%
Sunday5290.4%1.9%0.0%

Which airline was most reliable for GUM to HNL?

Only United Airlines met the GUM-to-HNL airline threshold: 87.1% of 365 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
United Airlines36587.1%6.6%1.9%

Which month was most reliable for GUM to HNL?

Among qualifying GUM-to-HNL month results, December 2025 had the highest on-time rate: 100.0% of 31 flights. April 2026 was lowest at 70.0% across 30 flights.

MonthFlightsOn time30+ minCancelled
July 20253193.5%6.5%0.0%
August 20253183.9%6.5%0.0%
September 20253093.3%3.3%0.0%
October 20253193.5%0.0%0.0%
November 20253080.0%13.3%3.3%
December 202531100.0%0.0%0.0%
January 20263190.3%6.5%0.0%
February 20262892.9%3.6%3.6%
March 20263187.1%6.5%0.0%
April 20263070.0%13.3%13.3%
May 20263174.2%12.9%3.2%
June 20263086.7%6.7%0.0%

What drove GUM to HNL delay minutes?

Airline was the largest recorded GUM-to-HNL delay category, accounting for 80.3% of 2,092 BTS-attributed delay minutes during July 2025–June 2026.

Airline80.3%
Late aircraft0.0%
National airspace19.7%
Weather0.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.