ON TIMEBOARD

PHX → COS on time

Phoenix Sky Harbor (Phoenix, AZ) to City of Colorado Springs (Colorado Springs, CO). Every scheduled flight, September 2025 to August 2026.

On time
73%
arrived < 15 min late
Cancelled
0.2%
1,003 flights
Typical arrival
−1 min
median vs schedule
When late
+50 min
average delay
Flights / day
3
1 airline

73% of flights from Phoenix to Colorado Springs arrived on time over the past 12 months. That is worse than the typical U.S. route. 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 → COS: when a flight was late, it was under 45 minutes late 66% of the time. About 1 in 14 flights landed an hour or more late, and 1 in 125 three hours or more; 0.2% were cancelled outright.

Share of all 1,003 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines1,00373%0.2%−1 min7.0%+50 minSouthwest 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%7 a.m. departures: too few flights (69 flights)7a8 a.m. departures: 86% on time (145 flights)868a9 a.m. departures: too few flights (62 flights)9a10 a.m. departures: too few flights (15 flights)10a11 a.m. departures: too few flights (21 flights)11anoon departures: too few flights (67 flights)12p1 p.m. departures: too few flights (48 flights)1p2 p.m. departures: too few flights (62 flights)2p3 p.m. departures: too few flights (92 flights)3p4 p.m. departures: too few flights (85 flights)4p5 p.m. departures: too few flights (13 flights)5p6 p.m. departures: too few flights (66 flights)6p7 p.m. departures: too few flights (66 flights)7p8 p.m. departures: too few flights (69 flights)8p9 p.m. departures: too few flights (87 flights)9p10 p.m. departures: too few flights (36 flights)10p
PHX → COS, 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 PHX → COS, each airline's last flight of the day was cancelled 0.5% 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: 0.8%). 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
Southwest Airlines8:15 p.m.0.5%1.1%0.0%first flight 8:35 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 (90%). Worst: June (63%).

40%70%100%Jan: 81% on time (229 flights)81JanFeb: 90% on time (223 flights)90FebMar: 81% on time (273 flights)81MarApr: 82% on time (258 flights)82AprMay: 70% on time (261 flights)70MayJun: 63% on time (248 flights)63JunJul: 65% on time (256 flights)65JulAug: 75% on time (236 flights)75AugSep: 83% on time (236 flights)83SepOct: 80% on time (240 flights)80OctNov: 80% on time (249 flights)80NovDec: 74% on time (258 flights)74Dec

By day of week

DayFlightsOn timeCancelled
Monday15669%0.0%
Tuesday13978%0.0%
Wednesday13871%0.0%
Thursday15271%0.0%
Friday15174%1.3%
Saturday11374%0.0%
Sunday15476%0.0%

Why flights were late

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

Late inbound plane 59%Airline (crew, maintenance, ops) 32%Air traffic & airport (NAS) 8%Severe weather 1%

Cancellations: weather 2

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
May 20, 202630%0
Jul 28, 202630%0
Dec 3, 202530%0
Jul 13, 202630%0
Dec 28, 202530%0

Questions

How often are flights from PHX to COS on time?

73% of 1,003 scheduled flights from Phoenix, AZ to Colorado Springs, CO arrived within 15 minutes of schedule between September 2025 and August 2026. 0.2% were cancelled.

What month has the most delays from PHX to COS?

June (63% on time). The best month is February (90%), over 2023–2026.

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

Yes. Each airline's last PHX–COS flight of the day was cancelled 0.5% 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.