78% of flights from Columbus to Los Angeles arrived on time over the past 12 months. That is about the typical U.S. route. The 7 a.m. departures ran on time 83% of the time; the 5 p.m. ones 72%. Most reliable airline: United Airlines (83%). 10% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for CMH → LAX: when a flight was late, it was under 45 minutes late 49% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 36 three hours or more; 1.1% were cancelled outright.
- On time or early78%
- 15–30 min late5.9%
- 30–60 min late5.9%
- 1–2 hours late4.4%
- 2–3 hours late1.7%
- 3+ hours late2.7%
- Diverted0.0%
- Cancelled1.1%
Share of all 473 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| American Airlines | 289 | 75% | 1.4% | −7 min | 11.8% | +92 min | American Airlines |
| United Airlines | 156 | 83% | 0.0% | −4 min | 4.5% | +64 min | United Airlines |
| Spirit Airlines | 25 | — | — | — | — | — | Spirit Airlines |
| Delta Air Lines | 2 | — | — | — | — | — | Delta Air Lines |
| Southwest Airlines | 1 | — | — | — | — | — | Southwest Airlines |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at CMH). Delays build through the day as late planes knock on, so early flights usually do best.
By airline and hour
| Departs | American Airlines | United Airlines |
|---|---|---|
| 7 a.m. | — | 83% |
| 5 p.m. | 71% | — |
| 6 p.m. | 78% | — |
By month
Each calendar month pooled over 2023–2026. Best: April (82%). Worst: June (68%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 77 | — | — |
| Tuesday | 60 | — | — |
| Wednesday | 51 | — | — |
| Thursday | 70 | — | — |
| Friday | 73 | — | — |
| Saturday | 69 | — | — |
| Sunday | 73 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 3 · airline 1 · air traffic/airport 1
Month by month
Not enough months with data to draw a trend.
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Nov 16, 2025 | 3 | 100% | 0 |
Questions
How often are flights from CMH to LAX on time?
78% of 473 scheduled flights from Columbus, OH to Los Angeles, CA arrived within 15 minutes of schedule between September 2025 and August 2026. 1.1% were cancelled.
What is the best time of day to fly CMH to LAX?
Flights scheduled to leave at 7 a.m. were the most reliable (83% on time). The 5 p.m. departures were the least (72%).
Which airline is most on time from CMH to LAX?
United Airlines: 83% of its 156 flights on the route arrived on time. American Airlines: 75%.
What month has the most delays from CMH to LAX?
June (68% on time). The best month is April (82%), over 2023–2026.
Related
- LAX → CMH (return)
- John Glenn Columbus (CMH) delays by hour
- Flights into Los Angeles LAX (LAX)
- American Airlines on-time record
- United Airlines on-time record
- Spirit Airlines on-time record
- Delta Air Lines on-time record
- Southwest Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.