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Flight Reliability

UA 1766 · United Airlines

Nashville → Denver (BNA–DEN)85% of its flights flew this route. The rest (EWR–BNA, DEN–PHX) are included in these numbers.

80
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
12 min
Average arrival delay
1.2%
Cancelled
6 min early
Median arrival delay

Based on 404 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

UA 1766 departing between 3–6 PM arrived on time 88% of the time, versus 78% between 12–3 PM.

Friday is doing you no favors.

UA 1766 arrived on time 90% of the time on Mondays and just 73% on Fridays. That gap is worth planning around.

A bit ahead of the BNA–DEN route.

UA 1766 arrived on time 80% of the time, versus 76% across the BNA–DEN route.

The breakdown

On-time by weekday
  • Mon90%(58 flights)
  • Tue77%(47 flights)
  • Wed82%(62 flights)
  • Thu76%(63 flights)
  • Fri73%(62 flights)
  • Sat81%(42 flights)
  • Sun84%(62 flights)
On-time by departure window
  • 9 AM–12 PM86%(44 flights)
  • 12–3 PM78%(289 flights)
  • 3–6 PM88%(49 flights)
  • 6–9 PM79%(14 flights)
On-time trend by month
81%
May

Jun 56% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%34
July 202570%56
August 202582%39
September 202591%23
October 202584%31
November 202597%29
December 202585%26
January 202679%28
February 202689%28
March 202681%42
April 202686%29
May 202681%31
Departures on time
78%
Diverted
0.7%
Flights flown
396
Months covered
12

Same route, other flights

Keep nerding

Based on 404 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.