OnTimeRoutes
D

United Airlines ORD to RNO on-time performance

United Airlines nonstop flights from Chicago to Reno · Aug 2025 – Jul 2026

On-time arrivals
64%
arrived < 15 min late
Cancelled
1.7%
6 flights
Avg arrival delay
30 min
80 min when late
Rank on route
#1 of 1
route average 64% on time

Key facts

  • United Airlines flights on ORD to RNO arrived on time 64% of the time in Aug 2025 – Jul 2026.
  • 1.7% were cancelled, and 16% arrived an hour or more late.
  • That ranks #1 of 1 airlines on this route, which averaged 64% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (60%).

On-time trend by month

30%65%100%July 2025: 41.4% on time, 3.2% cancelledJul ’25August 2025: 69.0% on time, 6.5% cancelledAug ’25September 2025: 66.7% on time, 0.0% cancelledSep ’25October 2025: 67.7% on time, 0.0% cancelledOct ’25November 2025: 76.7% on time, 0.0% cancelledNov ’25December 2025: 41.4% on time, 0.0% cancelledDec ’25January 2026: 61.3% on time, 0.0% cancelledJan ’26February 2026: 64.3% on time, 0.0% cancelledFeb ’26March 2026: 62.1% on time, 6.5% cancelledMar ’26April 2026: 60.0% on time, 0.0% cancelledApr ’26May 2026: 67.7% on time, 0.0% cancelledMay ’26June 2026: 60.0% on time, 0.0% cancelledJun ’26July 2026: 65.5% on time, 6.5% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft60%
  • Airline (crew, maintenance, cleaning, fueling)21%
  • Air traffic control & airport congestion15%
  • Extreme weather4%
  • Security0%

Other airlines on ORD to RNO

363 United Airlines flights tracked on this route; 6 cancelled, 0 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.