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Flight Reliability

UA 4646 · United Airlines

CAK → Chicago (CAK–ORD)97% of its flights flew this route. The rest (ORD–ASE, ATW–DEN) are included in these numbers.

77
Usually Fine
WanderNerd Reliability Score
85%
Arrive within 15 minutes
14 min
Average arrival delay
3.6%
Cancelled
8 min early
Median arrival delay

Based on 364 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

UA 4646 arrived on time 94% of the time on Thursdays and just 77% on Fridays. That gap is worth planning around.

Better than the CAK–ORD route average.

UA 4646 arrived on time 85% of the time, versus 72% across the CAK–ORD route.

A bit ahead of the United Airlines network.

UA 4646 arrived on time 85% of the time, versus 79% across the United Airlines network.

Keep a backup plan handy.

UA 4646 was cancelled 3.6% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon90%(49 flights)
  • Tue86%(49 flights)
  • Wed86%(50 flights)
  • Thu94%(51 flights)
  • Fri77%(52 flights)
  • Sat80%(49 flights)
  • Sun84%(51 flights)
On-time by departure window
  • 3–6 AM—(2 flights)
  • 6–9 AM85%(348 flights)
  • 3–6 PM—(1 flights)
On-time trend by month
87%
May

Jun 90% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202581%31
August 202593%29
September 202597%30
October 202590%31
November 202586%29
December 202574%31
January 202689%28
February 202682%27
March 202664%28
April 202689%26
May 202687%31
Departures on time
88%
Diverted
0%
Flights flown
351
Months covered
12

Same route, other flights

Keep nerding

Based on 364 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.