Columbus (CMH) to Los Angeles (LAX): On-Time Performance
Data through May 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 77% on-time against a national 78%.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 28 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 1.1
- last 12 months
- Duration
- 5h 1m
- scheduled
- Distance
- 1,995 mi
Best airline from CMH to LAX
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 82% | 17 min | 0.0% | 66 |
| Spirit Airlines | 81% | 16 min | 1.9% | 206 |
| American Airlines | 74% | 36 min | 1.3% | 394 |
Monthly on-time trend
Best time to fly from CMH to LAX
Aim for departures around 7 a.m. (81% on-time); avoid 3 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 24 min |
| Tuesdaybest | 86% | 11 min |
| Wednesday | 79% | 15 min |
| Thursday | 76% | 26 min |
| Friday | 75% | 49 min |
| Saturday | 74% | 20 min |
| Sunday | 77% | 39 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft48%
- Airline operations43%
- 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 2024-06 and 2026-05. The average arrival delay across completed flights was 28 minutes.
- Which airline is most reliable from CMH to LAX?
- United Airlines has the best on-time record on this route at 82%, based on 66 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 (81% on-time), while departures around 3 p.m. have the worst (71%). 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 5h 1m 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?
- 1.3% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, 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 671 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.