Gerald R. Ford International in December 2025

66.6%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 December 2025, reporting carriers scheduled 1,579 domestic departures from Gerald R. Ford International (GRR). 66.6% left less than 15 minutes late and 59.7% reached their destination on time; 1.9% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so GRR departures were 5.4 points below the national departure figure.

A year earlier, in December 2024, the airport had 1,619 departures with 79.7% leaving on time: a change of −13.1 points, with flights down 2%.

Flights arriving at GRR that month were on time 62.3% of the time (1,577 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 31%, air carrier 28% and national aviation system 27%.

On time 59.7%
Arrived 15+ minutes late 38.3%
Cancelled 1.9%
Diverted 0.1%

Every scheduled departure from GRR in December 2025, judged by arrival at the destination.

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

Measure	Dec 2025	Dec 2024	GRR, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	66.6%	79.7%	78.2%	72.0%
Arrived on time	59.7%	74.3%	74.7%	71.9%
Cancelled	1.9%	0.6%	1.9%	1.5%
Average departure delay (late minutes only)	28.8 min	19.2 min	19.5 min	21.2 min
Scheduled departures a day	53	54	53	19,410
Scheduled departures	1,579	1,619	19,275	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	253	16%	62.5%	19.8 min	0.0%
AA American Airlines	231	15%	61.0%	32.6 min	1.3%
YX Republic Airline	221	14%	59.7%	23.5 min	2.7%
OO SkyWest Airlines	188	12%	45.7%	48.3 min	2.7%
WN Southwest Airlines	186	12%	73.1%	8.0 min	0.5%
DL Delta Air Lines	179	11%	67.0%	15.5 min	3.9%
UA United Airlines	127	8%	52.8%	34.9 min	0.8%
MQ Envoy Air	107	7%	52.3%	28.9 min	3.7%
OH PSA Airlines	57	4%	45.6%	58.5 min	5.3%
F9 Frontier Airlines	30	2%	66.7%	25.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRR–ORD	Grand Rapids to Chicago	318	53.1%	38.8 min	3.1%
GRR–DTW	Grand Rapids to Detroit	125	49.6%	45.2 min	1.6%
GRR–ATL	Grand Rapids to Atlanta	121	70.2%	15.6 min	3.3%
GRR–DEN	Grand Rapids to Denver	102	66.7%	13.4 min	0.0%
GRR–CLT	Grand Rapids to Charlotte	92	64.1%	20.0 min	1.1%
GRR–DFW	Grand Rapids to Dallas/Fort Worth	78	56.4%	54.5 min	1.3%
GRR–MSP	Grand Rapids to Minneapolis	72	55.6%	21.8 min	4.2%
GRR–EWR	Grand Rapids to Newark	62	59.7%	18.5 min	3.2%
GRR–MDW	Grand Rapids to Chicago	60	68.3%	13.4 min	0.0%
GRR–DCA	Grand Rapids to Washington	57	43.9%	59.5 min	5.3%
GRR–MCO	Grand Rapids to Orlando	56	69.6%	12.4 min	1.8%
GRR–LGA	Grand Rapids to New York	53	52.8%	22.8 min	3.8%

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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	27.5%	33.3%	13,922
Late-arriving aircraft	30.7%	41.1%	15,505
National Aviation System	27.2%	19.1%	13,774
Extreme weather	14.0%	6.4%	7,062
Security	0.6%	0.2%	304

50,567 delay minutes on 605 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 GRR on time in December 2025?

66.6% of 1,579 scheduled domestic departures left less than 15 minutes late, and 59.7% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 79.7% of 1,619 departures left on time and 0.6% were cancelled, against 66.6% and 1.9% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for GRR · methodology · corrections.