CMH to LAX flight delays & on-time performance
Nonstop flights from John Glenn Columbus International Airport to Los Angeles International Airport · 1,995 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CMH or LAX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Columbus (CMH) to Los Angeles (LAX) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 1.1% were cancelled, and 10% arrived an hour or more late.
- Spirit Airlines was the most punctual airline here (90% on time); American Airlines was the least (75%).
- Departures scheduled around 8am did best (92% on time); around 5pm did worst (73%).
- Wednesday was the most reliable day to fly (87% on time) and Saturday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (59%).
Which airline is most on time from CMH to LAX?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 100% | 0.0% | 0 min | 0.0% | 2 |
| Spirit Airlines | 90% | 3.2% | 14 min | 3.3% | 31 |
| United Airlines | 82% | 0.0% | 14 min | 5.6% | 125 |
| American Airlines | 75% | 1.3% | 24 min | 12.3% | 305 |
| Southwest Airlines | 0% | 0.0% | 36 min | 0.0% | 1 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am82%125 flights
- 8am92%25 flights
- 5pm73%135 flights
- 6pm77%169 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday74%1.3% cancelled
- Tuesday86%0.0% cancelled
- Wednesday87%0.0% cancelled
- Thursday74%0.0% cancelled
- Friday83%2.7% cancelled
- Saturday70%0.0% cancelled
- Sunday77%2.7% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft59%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion12%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather60%
- Airline (crew, maintenance, cleaning, fueling)20%
- Air traffic control & airport congestion20%
- Security0%
CMH to LAX: common questions
- How often are CMH to LAX flights on time?
- 78% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Columbus to Los Angeles cancelled?
- 1.1% of scheduled flights were cancelled (5 of 464).
- How long are typical delays?
- Across all flights the average arrival delay was 21 min (early arrivals count as zero). Flights that were late arrived 89 min behind schedule on average, and 9.8% of flights were an hour or more late.
- How long is taxi time at CMH?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAX to CMH — 83% on time
More flights from Columbus
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CMH → LAX, nonstop flights by US airlines that report to the DOT. How we calculate this.