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Flight Reliability

UA 767 · United Airlines

Chicago → Denver (ORD–DEN)95% of its flights flew this route. The rest (MCI–ORD, ROC–ORD) are included in these numbers.

65
Usually Fine
WanderNerd Reliability Score
69%
Arrive within 15 minutes
14 min
Average arrival delay
2.1%
Cancelled
1 min early
Median arrival delay

Based on 385 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

UA 767 departing between 12–3 PM arrived on time 85% of the time, versus 65% between 9 PM–12 AM.

Skip Wednesday if you can.

UA 767 arrived on time 74% of the time on Thursdays. On Wednesdays: 62%.

A bit behind the ORD–DEN route.

UA 767 arrived on time 69% of the time, versus 75% across the ORD–DEN route.

Lagging the United Airlines network.

UA 767 arrived on time 69% of the time, versus 79% across the United Airlines network.

The breakdown

On-time by weekday
  • Mon65%(52 flights)
  • Tue70%(54 flights)
  • Wed62%(55 flights)
  • Thu74%(54 flights)
  • Fri74%(54 flights)
  • Sat71%(52 flights)
  • Sun69%(54 flights)
On-time by departure window
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM85%(47 flights)
  • 6–9 PM67%(263 flights)
  • 9 PM–12 AM65%(63 flights)
On-time trend by month
84%
May

Jun 60% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%30
July 202537%27
August 202563%30
September 202557%30
October 202571%31
November 202579%29
December 202565%31
January 202671%31
February 202679%28
March 202683%29
April 202673%30
May 202684%49
Departures on time
66%
Diverted
0.5%
Flights flown
375
Months covered
12

Same route, other flights

Keep nerding

Based on 385 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.