Skip to content
WanderNerd

Flight Reliability

UA 76 · United Airlines

SPN → GUM (SPNGUM)

89
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
2 min
Average arrival delay
1.9%
Cancelled
7 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

UA 76 departing between 6–9 AM arrived on time 92% of the time, versus 46% between 3–6 AM.

Saturday is the weak spot.

UA 76 arrived on time 94% of the time on Sundays. On Saturdays: 80%.

Better than the United Airlines network average.

UA 76 arrived on time 89% of the time, versus 79% across the United Airlines network.

Recent months have been rougher.

UA 76 arrived on time 74% of the time over the last three months in the data, compared with 92% in the three months before that.

The breakdown

On-time by weekday
  • Mon86%(50 flights)
  • Tue94%(51 flights)
  • Wed86%(51 flights)
  • Thu88%(51 flights)
  • Fri92%(51 flights)
  • Sat80%(51 flights)
  • Sun94%(53 flights)
On-time by departure window
  • 3–6 AM46%(11 flights)
  • 6–9 AM92%(49 flights)
  • 9 AM–12 PM90%(296 flights)
  • 3–6 PM(1 flights)
  • 9 PM–12 AM(1 flights)
On-time trend by month
74%
May

Jun 100% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%30
July 202587%31
August 202590%31
September 202597%30
October 202597%30
November 202593%30
December 202594%31
January 202687%31
February 202696%28
March 202681%31
April 202667%24
May 202674%31
Departures on time
90%
Diverted
0%
Flights flown
358
Months covered
12

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.