Best Time to Fly CMH to LAX: On-Time Stats by Hour & Airline
John Glenn Columbus International → Los Angeles International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 78.2% of Columbus (CMH) to Los Angeles (LAX) flights arrived on time (464 scheduled flights). That is 0.6 points above the national average of 77.6%.
Spirit Airlines was the most punctual of the 3 airlines on the route at 90.0%, while American Airlines trailed at 75.4%.
September has been the best month (89% on time) and Saturday the weakest day of the week (70%).
1.1% of flights were cancelled, versus 1.8% nationally.
CMH to LAX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlines | 90.0% | 137 min | 3.2% | 31 |
| United Airlines | 82.4% | 72 min | 0.0% | 125 |
| American Airlines | 75.4% | 93 min | 1.3% | 305 |
| Delta Air Lines | Limited data | 2 | ||
| Southwest Airlines | Limited data | 1 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CMH to LAX
On-time arrival % by scheduled departure hour (local time), 731 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 82.4% | 0.0% | 125 |
| 8am–9am | Limited data | 25 | |
| 10am–11am | Limited data | 1 | |
| 11am–12pm | Limited data | 1 | |
| 12pm–1pm | Limited data | 9 | |
| 1pm–2pm | Limited data | 2 | |
| 2pm–3pm | Limited data | 1 | |
| 4pm–5pm | Limited data | 21 | |
| 5pm–6pm | 73.4% | 1.4% | 282 |
| 6pm–7pm | 77.1% | 0.4% | 250 |
| 7pm–8pm | Limited data | 14 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CMH to LAX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 12 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 61.8% | -17.8 pts | 0.0% | 34 |
| Summer peak (Jun 15 - Aug 15) | 73.6% | -5.9 pts | 1.8% | 166 |
| All other days | 79.6% | — | 1.0% | 519 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).