ON TIMEBOARD

LAX → CMH on time

Los Angeles LAX (Los Angeles, CA) to John Glenn Columbus (Columbus, OH). Every scheduled flight, September 2025 to August 2026.

On time
81%
arrived < 15 min late
Cancelled
1.3%
472 flights
Typical arrival
−8 min
median vs schedule
When late
+89 min
average delay
Flights / day
1
4 airlines

81% of flights from Los Angeles to Columbus arrived on time over the past 12 months. That is about the typical U.S. route. The 10 a.m. departures ran on time 82% of the time; the 9 a.m. ones 79%. Most reliable airline: United Airlines (83%). 9% 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 LAX → CMH: when a flight was late, it was under 45 minutes late 47% of the time. About 1 in 13 flights landed an hour or more late, and 1 in 43 three hours or more; 1.3% were cancelled outright.

Share of all 472 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
American Airlines28979%1.7%−7 min8.0%+93 minAmerican Airlines
United Airlines15683%0.0%−7 min7.1%+72 minUnited Airlines
Spirit Airlines25—————Spirit Airlines
Delta Air Lines2—————Delta Air Lines

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 LAX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%9 a.m. departures: 79% on time (243 flights)799a10 a.m. departures: 82% on time (202 flights)8210a11 a.m. departures: too few flights (25 flights)11a
LAX → CMH, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsAmerican AirlinesUnited Airlines
9 a.m.79%—
10 a.m.—83%

By month

Each calendar month pooled over 2023–2026. Best: April (92%). Worst: June (78%).

40%70%100%Jan: too few flights (65 flights)JanFeb: too few flights (46 flights)FebMar: too few flights (78 flights)MarApr: 92% on time (111 flights)92AprMay: 85% on time (121 flights)85MayJun: 78% on time (120 flights)78JunJul: 82% on time (123 flights)82JulAug: too few flights (87 flights)AugSep: too few flights (76 flights)SepOct: too few flights (93 flights)OctNov: too few flights (82 flights)NovDec: too few flights (83 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday76——
Tuesday60——
Wednesday51——
Thursday70——
Friday75——
Saturday70——
Sunday70——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 53%Airline (crew, maintenance, ops) 36%Air traffic & airport (NAS) 11%

Cancellations: weather 3 · airline 2 · air traffic/airport 1

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Nov 14, 20253100%0

Questions

How often are flights from LAX to CMH on time?

81% of 472 scheduled flights from Los Angeles, CA to Columbus, OH arrived within 15 minutes of schedule between September 2025 and August 2026. 1.3% were cancelled.

What is the best time of day to fly LAX to CMH?

Flights scheduled to leave at 10 a.m. were the most reliable (82% on time). The 9 a.m. departures were the least (79%).

Which airline is most on time from LAX to CMH?

United Airlines: 83% of its 156 flights on the route arrived on time. American Airlines: 79%.

What month has the most delays from LAX to CMH?

June (78% on time). The best month is April (92%), over 2023–2026.

Related

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.