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Route Reliability

Cincinnati → Phoenix

CVG–PHX · 1,569 miles · Cincinnati/Northern Kentucky International Airport to Phoenix Sky Harbor International Airport

85
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
9 min
Average arrival delay
0.6%
Cancelled
625
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Frontier Airlines90%148 flights
  2. 2.American Airlines80%467 flights

Not enough history to rank: Southwest Airlines (10 flights). We rank airlines only after 100 flights on the route.

What the data says

12–3 PM has a slight edge.

Departures between 12–3 PM arrived on time 86% of the time, against 79% between 3–6 PM.

Friday has been the better bet.

A small edge: 84% on time on Fridays against 78% on Tuesdays.

Frontier Airlines runs this route best.

Frontier Airlines arrived on time 90% of the time on this route; American Airlines managed 80%.

Trending in the right direction.

CVG–PHX flights arrived on time 84% of the time over the last three months in the data, compared with 71% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon82%(99 flights)
  • Tue78%(63 flights)
  • Wed83%(69 flights)
  • Thu82%(103 flights)
  • Fri84%(95 flights)
  • Sat81%(72 flights)
  • Sun84%(116 flights)
On-time by departure window
  • 3–6 AM—(1 flights)
  • 6–9 AM83%(316 flights)
  • 9 AM–12 PM—(2 flights)
  • 12–3 PM86%(50 flights)
  • 3–6 PM79%(172 flights)
  • 6–9 PM81%(73 flights)
  • 9 PM–12 AM—(3 flights)
On-time trend by month
78%
May

Jun 90% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%40
July 202579%38
August 202590%40
September 202587%37
October 202586%59
November 202584%51
December 202569%51
January 202671%45
February 202674%53
March 202685%91
April 202690%62
May 202678%50

Keep nerding

Based on 625 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.