Skip to content
WanderNerd
Check a flight

Flight Reliability

UA 1615 · United Airlines

Denver → Cincinnati (DEN–CVG)90% of its flights flew this route. The rest (MFR–DEN, PHX–DEN) are included in these numbers.

75
Usually Fine
WanderNerd Reliability Score
71%
Arrive within 15 minutes
12 min
Average arrival delay
0.7%
Cancelled
2 min early
Median arrival delay

Based on 406 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

UA 1615 departing between 3–6 PM arrived on time 75% of the time, versus 50% between 6–9 PM.

Sunday scaries are real for this one.

UA 1615 arrived on time 81% of the time on Wednesdays and just 63% on Sundays. That gap is worth planning around.

A bit behind the DEN–CVG route.

UA 1615 arrived on time 71% of the time, versus 77% across the DEN–CVG route.

Lagging the United Airlines network.

UA 1615 arrived on time 71% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon73%(56 flights)
  • Tue68%(56 flights)
  • Wed81%(57 flights)
  • Thu74%(58 flights)
  • Fri66%(59 flights)
  • Sat71%(58 flights)
  • Sun63%(59 flights)
On-time by departure window
  • 12–3 PM73%(41 flights)
  • 3–6 PM75%(292 flights)
  • 6–9 PM50%(70 flights)
On-time trend by month
79%
May

Jun 40% → May 79% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202540%30
July 202532%31
August 202558%31
September 202572%36
October 202586%55
November 202590%29
December 202568%31
January 202673%30
February 202689%28
March 202665%31
April 202686%29
May 202679%42
Departures on time
74%
Diverted
0%
Flights flown
403
Months covered
12

Same route, other flights

Keep nerding

Based on 406 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.