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Flight Reliability

UA 4686 · United Airlines

Little Rock → Denver (LIT–DEN)99% of its flights flew this route. The rest (DEN–MSP, CVG–ORD) are included in these numbers.

90
Nerd Approved
WanderNerd Reliability Score
85%
Arrive within 15 minutes
3 min early
Average arrival delay
0.3%
Cancelled
19 min early
Median arrival delay

Based on 365 historical flights. Data through May 2026.

What the data says

Skip Tuesday if you can.

UA 4686 arrived on time 92% of the time on Saturdays. On Tuesdays: 80%.

Better than the LIT–DEN route average.

UA 4686 arrived on time 85% of the time, versus 76% across the LIT–DEN route.

A bit ahead of the United Airlines network.

UA 4686 arrived on time 85% of the time, versus 79% across the United Airlines network.

It basically never cancels.

Out of 365 scheduled flights, only 0.3% were cancelled.

The breakdown

On-time by weekday
  • Mon81%(52 flights)
  • Tue80%(50 flights)
  • Wed89%(52 flights)
  • Thu83%(52 flights)
  • Fri87%(52 flights)
  • Sat92%(51 flights)
  • Sun87%(53 flights)
On-time by departure window
  • 9 AM–12 PM—(5 flights)
  • 12–3 PM86%(357 flights)
On-time trend by month
90%
May

Jun 90% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%29
July 202573%30
August 202577%31
September 202590%30
October 202594%31
November 202597%30
December 202571%31
January 202690%30
February 202689%28
March 202668%31
April 202697%30
May 202690%31
Departures on time
85%
Diverted
0.5%
Flights flown
362
Months covered
12

Same route, other flights

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.