Route on-time record
CMH to PHX: most on-time flights and the best time to fly
Columbus (John Glenn Columbus International Airport) to Phoenix (Phoenix Sky Harbor International Airport). 1,185 nonstop flights in Jun 2025 to May 2026, 83% arrived within 15 minutes and 1.4% were cancelled. The most reliable flight number was Southwest 1423 at 6:05 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
CMH → PHX
Columbus to Phoenix: 1,185 nonstop flights a year
On time (12 months)
83%
Cancelled
1.4%
avg delay 20 min
Best time to leave
Before 9 AM
91% on time vs 64% 6 to 9 PM
Most reliable airline
American
83% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Southwest 1423
6:05 AM → 7:25 AM4h 20m nonstop
Local times, typical schedule. Last flown 2026-05-30.
91%
chance on time
- On time (history)
- 97%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 97% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 64%).
Limited track record · 31 flights
Find Southwest 1423 fares Opens this date on Aviasales#2 · American 1958
7:00 AM → 8:26 AM4h 28m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 87%
- Cancelled
- 2.2%
- Avg arrival delay
- 26 min
- Arrived on time 87% of the time (353 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 64%).
Strong track record · 353 flights
Find American 1958 fares Opens this date on Aviasales#3 · American 1998
5:30 PM → 6:54 PM4h 24m nonstop
Local times, typical schedule. Last flown 2026-05-20.
82%
chance on time
- On time (history)
- 86%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 86% of the time (37 flights, Jun 2025 to May 2026).
- Never cancelled in 37 scheduled flights.
- Lands inside PHX's trouble window: 45% of its 47 ground stops and delay programs started between 2 PM and 8 PM.
Limited track record · 37 flights
Find American 1998 fares Opens this date on Aviasales#4 · American 1689
6:00 PM → 7:19 PM4h 19m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
- On time (history)
- 89%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 89% of the time (9 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 64% on time; Before 9 AM: 91%).
- Lands inside PHX's trouble window: 45% of its 47 ground stops and delay programs started between 2 PM and 8 PM.
Limited track record · 9 flights
Find American 1689 fares Opens this date on Aviasales#5 · Southwest 1424
5:45 PM → 7:00 PM4h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
62%
chance on time
- On time (history)
- 48%
- Cancelled
- 0.0%
- Avg arrival delay
- 23 min
- Arrived on time 48% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Lands inside PHX's trouble window: 45% of its 47 ground stops and delay programs started between 2 PM and 8 PM.
- 56% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 54 flights
Find Southwest 1424 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- American Airlines83%
610 flights · 84% on time as flown · 1.5% cancel
- Southwest Airlines81%
575 flights · 82% on time as flown · 1.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
641 flights · avg delay 19 min
- 3 to 6 PM75%
358 flights · avg delay 23 min
- 6 to 9 PM64%
119 flights · avg delay 26 min
Best day: Tuesday (89%). Worst: Saturday (82%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Airline (crew, maintenance, boarding)61%
- Late-arriving aircraft28%
- Air traffic control and airport volume9%
- Severe weather1%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
CMH to PHX questions
- What time of day is best to fly CMH to PHX?
- Before 9 AM: 91% of flights arrived on time, against 64% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from CMH to PHX?
- American, with a season-adjusted 83% chance of operating and arriving on time over 610 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on CMH to PHX?
- April (83% on time); the best was September (90%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from CMH
- PHX to CMH (return)
- CMH to ORD 74%
- CMH to ATL 86%
- CMH to LGA 78%
- CMH to MCO 78%
- CMH to DCA 68%
- CMH to CLT 83%
- CMH to BOS 81%
- CMH to EWR 82%
- CMH to DEN 78%
- CMH to DFW 78%
- CMH to JFK 83%
- CMH to DTW 85%
Most on-time flights from CMH on every route →
Live status: FAA delays and ground stops