John Glenn Columbus International in November 2025

80.2%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 November 2025, reporting carriers scheduled 3,641 domestic departures from John Glenn Columbus International (CMH). 80.2% left less than 15 minutes late and 78.4% reached their destination on time; 1.8% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so CMH departures were 2.1 points above the national departure figure.

A year earlier, in November 2024, the airport had 3,610 departures with 88.5% leaving on time: a change of −8.3 points, with flights up 1%.

Flights arriving at CMH that month were on time 77.6% of the time (3,642 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, national aviation system 37%, late-arriving aircraft 33% and air carrier 28%.

On time 78.4%
Arrived 15+ minutes late 19.7%
Cancelled 1.8%
Diverted 0.1%

Every scheduled departure from CMH in November 2025, judged by arrival at the destination.

November 2025 against a year earlier, the airport's year and the nation

Measure	Nov 2025	Nov 2024	CMH, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	80.2%	88.5%	79.6%	78.1%
Arrived on time	78.4%	87.7%	79.0%	77.3%
Cancelled	1.8%	0.3%	2.0%	2.5%
Average departure delay (late minutes only)	14.8 min	7.7 min	15.0 min	15.6 min
Scheduled departures a day	121	120	123	19,018
Scheduled departures	3,641	3,610	44,711	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	1,099	30%	76.3%	3.6 min	2.6%
WN Southwest Airlines	1,056	29%	80.8%	2.4 min	1.0%
AA American Airlines	316	9%	81.3%	6.8 min	1.3%
UA United Airlines	278	8%	69.1%	17.5 min	2.2%
DL Delta Air Lines	277	8%	85.9%	-2.4 min	1.1%
MQ Envoy Air	270	7%	81.5%	9.0 min	1.1%
OH PSA Airlines	104	3%	72.1%	14.7 min	3.8%
NK Spirit Airlines	89	2%	74.2%	8.3 min	0.0%
OO SkyWest Airlines	86	2%	67.4%	29.4 min	7.0%
F9 Frontier Airlines	37	1%	83.8%	-2.6 min	0.0%
AS Alaska Airlines	29	1%	82.8%	6.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
CMH–ORD	Columbus to Chicago	392	70.4%	17.2 min	4.1%
CMH–LGA	Columbus to New York	289	73.0%	14.1 min	0.3%
CMH–ATL	Columbus to Atlanta	254	86.2%	-3.7 min	1.2%
CMH–EWR	Columbus to Newark	195	69.7%	4.5 min	7.2%
CMH–MCO	Columbus to Orlando	185	83.2%	-1.6 min	0.5%
CMH–DCA	Columbus to Washington	166	55.4%	15.9 min	3.6%
CMH–CLT	Columbus to Charlotte	162	85.8%	4.4 min	0.6%
CMH–DFW	Columbus to Dallas/Fort Worth	157	82.8%	-0.7 min	1.9%
CMH–BOS	Columbus to Boston	151	83.4%	-4.4 min	0.0%
CMH–JFK	Columbus to New York	149	82.6%	-3.5 min	4.0%
CMH–DEN	Columbus to Denver	142	80.3%	4.3 min	0.7%
CMH–MDW	Columbus to Chicago	103	80.6%	-0.6 min	3.9%

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), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	27.6%	30.2%	15,150
Late-arriving aircraft	33.1%	38.3%	18,149
National Aviation System	36.9%	26.7%	20,281
Extreme weather	2.4%	4.6%	1,332
Security	0.0%	0.1%	0

54,912 delay minutes on 718 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left CMH on time in November 2025?

80.2% of 3,641 scheduled domestic departures left less than 15 minutes late, and 78.4% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 88.5% of 3,610 departures left on time and 0.3% were cancelled, against 80.2% and 1.8% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; 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.