ON TIMEBOARD

CLD → PHX on time

McClellan-Palomar (Carlsbad, CA) to Phoenix Sky Harbor (Phoenix, AZ). Every scheduled flight, September 2025 to August 2026.

On time
85%
arrived < 15 min late
Cancelled
1.2%
908 flights
Typical arrival
−9 min
median vs schedule
When late
+71 min
average delay
Flights / day
2
1 airline

85% of flights from Carlsbad to Phoenix arrived on time over the past 12 months. That is better than the typical U.S. route. The 6 a.m. departures ran on time 92% of the time; the 4 p.m. ones 65%. 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 CLD → PHX: when a flight was late, it was under 45 minutes late 48% of the time. About 1 in 17 flights landed an hour or more late, and 1 in 113 three hours or more; 1.2% were cancelled outright.

Share of all 908 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines90885%1.2%−9 min5.9%+71 minEnvoy

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 CLD). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%6 a.m. departures: 92% on time (359 flights)926a7 a.m. departures: too few flights7a8 a.m. departures: too few flights8a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights (27 flights)11anoon departures: 86% on time (333 flights)8612p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: 65% on time (110 flights)654p5 p.m. departures: too few flights5p6 p.m. departures: too few flights (41 flights)6p7 p.m. departures: too few flights (38 flights)7p
CLD → PHX, 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

Last flight of the day

On CLD → PHX, each airline's last flight of the day was cancelled 3.1% of the time, against 0.0% for its earlier flights, about the same. It arrived 3+ hours late 1.1% of the time (earlier flights: 0.9%). 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 Airlines6:58 p.m.3.1%1.1%0.0%first flight 6:28 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: April (95%). Worst: August (81%).

40%70%100%Jan: too few flights (62 flights)JanFeb: too few flights (90 flights)FebMar: 94% on time (124 flights)94MarApr: 95% on time (120 flights)95AprMay: 89% on time (142 flights)89MayJun: 86% on time (180 flights)86JunJul: 83% on time (182 flights)83JulAug: 81% on time (162 flights)81AugSep: too few flights (60 flights)SepOct: too few flights (62 flights)OctNov: too few flights (60 flights)NovDec: too few flights (61 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday13285%1.5%
Tuesday13088%0.8%
Wednesday12587%0.0%
Thursday12786%1.6%
Friday13283%2.3%
Saturday12882%1.6%
Sunday13484%0.8%

Why flights were late

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

Late inbound plane 54%Airline (crew, maintenance, ops) 29%Air traffic & airport (NAS) 14%Severe weather 3%Security 1%

Cancellations: airline 9 · weather 1 · air traffic/airport 1

Month by month

60%80%100%Feb 2025Jan 2026Jun 2026: 83% on time, 0.0% cancelledJul 2026: 81% on time, 0.0% cancelledAug 2026: 77% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
CLD → PHX, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AA 40226:28 a.m.20891%0.0%−12 minEnvoy

Worst days in the past year

DateFlightsOn timeCancelled
Aug 31, 202630%0
Jul 25, 2026425%0
Aug 9, 2026425%0
Jul 29, 2026425%0
May 28, 2026425%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Carlsbad or Phoenix. None has been clearly more reliable than CLD → PHX.

RouteFlightsOn timeCancelled
CLD → PHX (this route)90885%1.2%
SNA → PHX Orange County John Wayne to Phoenix Sky Harbor4,63682%0.8%
SAN → PHX San Diego to Phoenix Sky Harbor6,59171%1.8%

Questions

How often are flights from CLD to PHX on time?

85% of 908 scheduled flights from Carlsbad, CA to Phoenix, AZ arrived within 15 minutes of schedule between September 2025 and August 2026. 1.2% were cancelled.

What is the best time of day to fly CLD to PHX?

Flights scheduled to leave at 6 a.m. were the most reliable (92% on time). The 4 p.m. departures were the least (65%).

What month has the most delays from CLD to PHX?

August (81% on time). The best month is April (95%), over 2023–2026.

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

Yes. Each airline's last CLD–PHX flight of the day was cancelled 3.1% 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.