Route on-time record
CMH to HOU: most on-time flights and the best time to fly
Columbus (John Glenn Columbus International Airport) to Houston (William P. Hobby Airport). 354 nonstop flights in Jun 2025 to May 2026, 83% arrived within 15 minutes and 0.3% were cancelled. The most reliable flight number was Southwest 3750 at 7:15 PM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
CMH → HOU
Columbus to Houston: 354 nonstop flights a year
On time (12 months)
83%
Cancelled
0.3%
avg delay 11 min
Best time to leave
Noon to 3 PM
89% on time vs 65% 6 to 9 PM
Most reliable airline
Southwest
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 3750
7:15 PM → 9:05 PM2h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
75%
chance on time
- On time (history)
- 69%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 69% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 65% on time; Noon to 3 PM: 89%).
Limited track record · 55 flights
Find Southwest 3750 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines83%
354 flights · 83% on time as flown · 0.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- 9 AM to noon89%
120 flights · avg delay 9 min
- Noon to 3 PM89%
103 flights · avg delay 9 min
- 3 to 6 PM73%
40 flights · avg delay 16 min
- 6 to 9 PM65%
65 flights · avg delay 21 min
Best day: Tuesday (89%). Worst: Saturday (70%).
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
- Late-arriving aircraft67%
- Air traffic control and airport volume13%
- Airline (crew, maintenance, boarding)11%
- Severe weather7%
- Security2%
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 HOU questions
- What time of day is best to fly CMH to HOU?
- Noon to 3 PM: 89% of flights arrived on time, against 65% for departures 6 to 9 PM.
- Which airline is most on time from CMH to HOU?
- Southwest, with a season-adjusted 83% chance of operating and arriving on time over 354 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 HOU?
- January (78% on time); the best was November (91%), 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
- HOU 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