Columbus (CMH) to Los Angeles (LAX): On-Time Performance
Data through July 2026
The calendar drives reliability on CMH–LAX. November 2024 flights landed on schedule 95% of the time, but March 2025 dropped to 62% — a gap of 34 points. Across the full period the route averages 78% on-time against a national 78%. Morning departures also hold up better than evening ones (84% vs 75%), which matters most in the rough months.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 27 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 1.3
- last 12 months
- Duration
- 4h 59m
- scheduled
- Distance
- 1,995 mi
Best airline from CMH to LAX
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 83% | 14 min | 0.0% | 127 |
| Spirit Airlines | 82% | 14 min | 1.7% | 176 |
| American Airlines | 74% | 35 min | 1.1% | 454 |
Monthly on-time trend
Best time to fly from CMH to LAX
Aim for departures around 7 a.m. (82% on-time); avoid 5 p.m. departures (73%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 23 min |
| Tuesdaybest | 85% | 11 min |
| Wednesday | 83% | 13 min |
| Thursday | 78% | 22 min |
| Friday | 75% | 46 min |
| Saturday | 70% | 24 min |
| Sunday | 77% | 38 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft49%
- Airline operations41%
- National airspace system8%
- Weather2%
Frequently asked questions
- How often are flights from CMH to LAX delayed?
- 23% of CMH–LAX 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 27 minutes.
- Which airline is most reliable from CMH to LAX?
- United Airlines has the best on-time record on this route at 83%, based on 127 flights. 3 airlines flew CMH–LAX frequently enough to compare in this period.
- What is the best time of day to fly from CMH to LAX?
- Departures around 7 a.m. have the best record (82% on-time), while departures around 5 p.m. have the worst (73%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CMH to LAX?
- The scheduled CMH–LAX flight time averages 4h 59m over 1,995 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are CMH to LAX flights cancelled?
- 1% 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 LAX?
- March 2025 was the roughest month in this dataset, with only 62% of arrivals on time. The best was November 2024 at 95%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 762 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.