ON TIMEBOARD

PHX → CVG on time

Phoenix Sky Harbor (Phoenix, AZ) to Cincinnati Northern Kentucky (Cincinnati, OH). Every scheduled flight, September 2025 to August 2026.

On time
77%
arrived < 15 min late
Cancelled
0.7%
593 flights
Typical arrival
−6 min
median vs schedule
When late
+62 min
average delay
Flights / day
2
3 airlines

77% of flights from Phoenix to Cincinnati arrived on time over the past 12 months. That is about the typical U.S. route. Most reliable airline: American Airlines (78%). 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for PHX → CVG: when a flight was late, it was under 45 minutes late 60% of the time. About 1 in 16 flights landed an hour or more late, and 1 in 59 three hours or more; 0.7% were cancelled outright.

Share of all 593 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines47378%0.4%−6 min6.6%+68 minAmerican Airlines
Frontier Airlines11074%1.8%−5 min4.5%+39 minFrontier Airlines
Southwest Airlines10—————Southwest Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at PHX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%8 a.m. departures: too few flights (33 flights)8a9 a.m. departures: 81% on time (182 flights)819a10 a.m. departures: too few flights (85 flights)10a11 a.m. departures: too few flights (36 flights)11anoon departures: too few flights (15 flights)12p1 p.m. departures: too few flights (6 flights)1p2 p.m. departures: too few flights (6 flights)2p3 p.m. departures: too few flights (81 flights)3p4 p.m. departures: too few flights (18 flights)4p5 p.m. departures: too few flights (99 flights)5p6 p.m. departures: too few flights (21 flights)6p
PHX → CVG, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsAmerican Airlines
9 a.m.81%

Last flight of the day

On PHX → CVG, each airline's last flight of the day was cancelled 0.0% of the time, against 0.0% for its earlier flights, about the same. It arrived 3+ hours late 1.8% of the time (earlier flights: 1.8%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
American Airlines9:56 a.m.0.0%1.8%0.0%first flight 9:56 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: February (85%). Worst: May (65%).

40%70%100%Jan: 77% on time (151 flights)77JanFeb: 85% on time (157 flights)85FebMar: 71% on time (227 flights)71MarApr: 77% on time (164 flights)77AprMay: 65% on time (133 flights)65MayJun: 70% on time (117 flights)70JunJul: 72% on time (115 flights)72JulAug: 76% on time (113 flights)76AugSep: too few flights (92 flights)SepOct: 84% on time (140 flights)84OctNov: 78% on time (146 flights)78NovDec: 78% on time (161 flights)78Dec

By day of week

DayFlightsOn timeCancelled
Monday92——
Tuesday63——
Wednesday70——
Thursday10183%0.0%
Friday86——
Saturday76——
Sunday10570%1.9%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 55%Airline (crew, maintenance, ops) 32%Air traffic & airport (NAS) 13%

Cancellations: weather 3 · airline 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Jan 4, 202630%0
Mar 8, 202630%0
Mar 20, 202630%0
Mar 23, 2026333%0
Oct 12, 2025333%0

Questions

How often are flights from PHX to CVG on time?

77% of 593 scheduled flights from Phoenix, AZ to Cincinnati, OH arrived within 15 minutes of schedule between September 2025 and August 2026. 0.7% were cancelled.

Which airline is most on time from PHX to CVG?

American Airlines: 78% of its 473 flights on the route arrived on time. Frontier Airlines: 74%.

What month has the most delays from PHX to CVG?

May (65% on time). The best month is February (85%), over 2023–2026.

Is the last flight of the day from PHX to CVG more likely to be cancelled?

Not much. Each airline's last PHX–CVG flight of the day was cancelled 0.0% of the time over the past year, against 0.0% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.