Columbus (CMH) to Phoenix (PHX): On-Time Performance
Data through July 2026
When you fly CMH to PHX matters as much as anything else about the booking: the route swung from 93% on-time in October 2024 to just 74% in December 2025. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 77%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 3.1
- last 12 months
- Duration
- 4h 22m
- scheduled
- Distance
- 1,670 mi
Best airline from CMH to PHX
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 85% | 21 min | 1.0% | 1,216 |
| Southwest Airlines | 84% | 11 min | 0.8% | 1,149 |
Monthly on-time trend
Best time to fly from CMH to PHX
Aim for departures around 5 a.m. (95% on-time); avoid 8 p.m. departures (54%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 20 min |
| Tuesdaybest | 88% | 16 min |
| Wednesday | 87% | 21 min |
| Thursday | 85% | 12 min |
| Friday | 86% | 11 min |
| Saturday | 80% | 14 min |
| Sunday | 83% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations58%
- National airspace system10%
- Weather1%
Frequently asked questions
- How often are flights from CMH to PHX delayed?
- 16% of CMH–PHX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 16 minutes.
- Which airline is most reliable from CMH to PHX?
- American Airlines has the best on-time record on this route at 85%, based on 1,216 flights. 2 airlines flew CMH–PHX frequently enough to compare in this period.
- What is the best time of day to fly from CMH to PHX?
- Departures around 5 a.m. have the best record (95% on-time), while departures around 8 p.m. have the worst (54%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CMH to PHX?
- The scheduled CMH–PHX flight time averages 4h 22m over 1,670 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are CMH to PHX flights cancelled?
- 0.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from CMH to PHX?
- December 2025 was the roughest month in this dataset, with only 74% of arrivals on time. The best was October 2024 at 93%. If your dates are flexible, that 20-point gap is worth planning around.
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Based on 2,365 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.