On-Time Report

Airports › Columbus (CMH) › July 2026

Airport month · July 2026

John Glenn Columbus International in July 2026

75.8%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In July 2026, reporting carriers scheduled 4,002 domestic departures from John Glenn Columbus International (CMH). 75.8% left less than 15 minutes late and 77.9% reached their destination on time; 3.1% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so CMH departures were 7.0 points above the national departure figure.

A year earlier, in July 2025, the airport had 3,933 departures with 70.8% leaving on time: a change of +5.0 points, with flights up 2%.

Flights arriving at CMH that month were on time 68.7% of the time (4,003 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, air carrier 32% and national aviation system 30%.

Every scheduled departure from CMH in July 2026, judged by arrival at the destination.

July 2026 against a year earlier, the airport's year and the nation

MeasureJul 2026Jul 2025CMH, 12 months to Jul 2026All reported flights, Jul 2026
Departed on time75.8%70.8%79.6%68.8%
Arrived on time77.9%70.4%79.0%69.4%
Cancelled3.1%3.4%2.0%2.6%
Average departure delay (late minutes only)18.7 min21.9 min15.0 min24.1 min
Scheduled departures a day13313112321,066
Scheduled departures4,0023,93344,711631,970

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
YX Republic Airline1,08227%78.5%2.0 min6.5%
WN Southwest Airlines1,06127%75.8%6.5 min1.2%
DL Delta Air Lines39810%79.6%3.6 min1.0%
AA American Airlines39010%83.3%6.6 min1.3%
UA United Airlines2877%74.2%17.5 min2.4%
MQ Envoy Air2446%87.7%-1.5 min1.2%
OH PSA Airlines2256%68.9%13.1 min6.7%
OO SkyWest Airlines1845%79.9%14.9 min3.8%
F9 Frontier Airlines702%68.6%11.1 min1.4%
AS Alaska Airlines612%72.1%4.4 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
CMH–ORDColumbus to Chicago48778.4%11.7 min5.1%
CMH–ATLColumbus to Atlanta29472.8%11.1 min1.0%
CMH–LGAColumbus to New York22576.9%2.1 min10.2%
CMH–CLTColumbus to Charlotte18382.5%7.5 min0.5%
CMH–PHLColumbus to Philadelphia18170.7%17.0 min6.1%
CMH–DTWColumbus to Detroit17889.9%-3.9 min0.0%
CMH–EWRColumbus to Newark17773.4%5.7 min8.5%
CMH–DCAColumbus to Washington17661.4%21.5 min7.4%
CMH–BOSColumbus to Boston17582.3%1.9 min2.3%
CMH–DENColumbus to Denver16479.3%9.0 min0.0%
CMH–MCOColumbus to Orlando15873.4%6.2 min1.3%
CMH–DFWColumbus to Dallas/Fort Worth15387.6%-2.0 min0.7%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of departures that left less than 15 minutes late, by scheduled hour (local time), July 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Jul 2026Minutes
Air carrier32.3%31.7%20,679
Late-arriving aircraft35.5%41.8%22,674
National Aviation System29.5%19.9%18,839
Extreme weather2.7%6.5%1,738
Security0.0%0.1%20
63,950 delay minutes on 738 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← June 2026

Questions and answers

How many flights left CMH on time in July 2026?

75.8% of 4,002 scheduled domestic departures left less than 15 minutes late, and 77.9% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 70.8% of 3,933 departures left on time and 3.4% were cancelled, against 75.8% and 3.1% in July 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2026; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for CMH · methodology · corrections.