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Flight Reliability

UA 201 · United Airlines

Honolulu → GUM (HNL–GUM)

86
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
1 min early
Average arrival delay
1.1%
Cancelled
5 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

UA 201 departing between 12–3 PM arrived on time 87% of the time, versus 78% between 3–6 PM.

Friday is doing you no favors.

UA 201 arrived on time 89% of the time on Thursdays and just 73% on Fridays. That gap is worth planning around.

A bit ahead of the United Airlines network.

UA 201 arrived on time 83% of the time, versus 79% across the United Airlines network.

Slipping a little lately.

UA 201 arrived on time 74% of the time over the last three months in the data, compared with 78% in the three months before that.

The breakdown

On-time by weekday
  • Mon84%(51 flights)
  • Tue86%(51 flights)
  • Wed87%(52 flights)
  • Thu89%(52 flights)
  • Fri73%(52 flights)
  • Sat80%(51 flights)
  • Sun81%(52 flights)
On-time by departure window
  • 12–3 PM87%(208 flights)
  • 3–6 PM78%(153 flights)
On-time trend by month
81%
May

Jun 93% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202593%30
July 202587%31
August 202577%31
September 202587%30
October 202597%31
November 202597%30
December 202587%31
January 202687%30
February 202661%28
March 202655%31
April 202685%27
May 202681%31
Departures on time
81%
Diverted
0%
Flights flown
361
Months covered
12

Keep nerding

Based on 365 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.