Gerald R. Ford International in September 2024

88.0%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 September 2024, reporting carriers scheduled 1,441 domestic departures from Gerald R. Ford International (GRR). 88.0% left less than 15 minutes late and 85.4% reached their destination on time; 0.5% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so GRR departures were 3.6 points above the national departure figure.

A year earlier, in September 2023, the airport had 1,410 departures with 83.5% leaving on time: a change of +4.5 points, with flights up 2%.

Flights arriving at GRR that month were on time 85.1% of the time (1,442 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 30% and national aviation system 21%.

On time 85.4%
Arrived 15+ minutes late 14.0%
Cancelled 0.5%
Diverted 0.1%

Every scheduled departure from GRR in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

Measure	Sep 2024	Sep 2023	GRR, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	88.0%	83.5%	78.2%	84.4%
Arrived on time	85.4%	82.2%	74.7%	83.9%
Cancelled	0.5%	1.0%	1.9%	0.6%
Average departure delay (late minutes only)	8.4 min	13.2 min	19.5 min	10.6 min
Scheduled departures a day	48	47	53	19,421
Scheduled departures	1,441	1,410	19,275	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	213	15%	88.3%	-7.6 min	0.0%
AA American Airlines	191	13%	82.2%	1.2 min	1.0%
OO SkyWest Airlines	186	13%	87.6%	-6.8 min	0.0%
YX Republic Airline	179	12%	88.3%	-5.5 min	0.0%
WN Southwest Airlines	157	11%	83.4%	1.7 min	0.0%
UA United Airlines	149	10%	85.2%	4.6 min	0.0%
G4 Allegiant Air	124	9%	86.3%	-5.4 min	1.6%
MQ Envoy Air	75	5%	74.7%	3.9 min	0.0%
9E Endeavor Air	74	5%	90.5%	-5.6 min	0.0%
OH PSA Airlines	60	4%	80.0%	31.0 min	3.3%
F9 Frontier Airlines	33	2%	87.9%	-4.8 min	3.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
GRR–ORD	Grand Rapids to Chicago	233	80.7%	4.8 min	0.0%
GRR–DTW	Grand Rapids to Detroit	141	89.4%	-6.5 min	0.0%
GRR–DEN	Grand Rapids to Denver	120	85.8%	-2.0 min	0.0%
GRR–MSP	Grand Rapids to Minneapolis	114	86.0%	-8.7 min	0.0%
GRR–ATL	Grand Rapids to Atlanta	112	89.3%	-8.3 min	0.0%
GRR–LGA	Grand Rapids to New York	103	91.3%	-5.5 min	0.0%
GRR–DFW	Grand Rapids to Dallas/Fort Worth	96	83.3%	-1.0 min	0.0%
GRR–EWR	Grand Rapids to Newark	90	85.6%	-4.9 min	0.0%
GRR–CLT	Grand Rapids to Charlotte	89	80.9%	1.0 min	2.2%
GRR–MDW	Grand Rapids to Chicago	85	90.6%	-0.5 min	0.0%
GRR–DCA	Grand Rapids to Washington	60	80.0%	31.0 min	3.3%
GRR–BWI	Grand Rapids to Baltimore	30	76.7%	7.7 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	38.6%	38.6%	4,543
Late-arriving aircraft	30.4%	38.4%	3,577
National Aviation System	20.5%	18.2%	2,410
Extreme weather	10.5%	4.8%	1,235
Security	0.1%	0.1%	17

11,782 delay minutes on 202 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 September 2024?

88.0% of 1,441 scheduled domestic departures left less than 15 minutes late, and 85.4% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 83.5% of 1,410 departures left on time and 1.0% were cancelled, against 88.0% and 0.5% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; 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.