MBS International in December 2024

69.6%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 2024, reporting carriers scheduled 194 domestic departures from MBS International (MBS). 69.6% left less than 15 minutes late and 67.5% reached their destination on time; 1.0% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so MBS departures were 8.2 points below the national departure figure.

A year earlier, in December 2023, the airport had 156 departures with 90.4% leaving on time: a change of −20.8 points, with flights up 24%.

Flights arriving at MBS that month were on time 64.9% of the time (194 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, extreme weather 28% and late-arriving aircraft 14%.

On time 67.5%
Arrived 15+ minutes late 30.9%
Cancelled 1.0%
Diverted 0.5%

Every scheduled departure from MBS in December 2024, judged by arrival at the destination.

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

Measure	Dec 2024	Dec 2023	MBS, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	69.6%	90.4%	76.6%	77.8%
Arrived on time	67.5%	87.8%	72.9%	78.1%
Cancelled	1.0%	0.0%	2.0%	0.7%
Average departure delay (late minutes only)	25.8 min	6.9 min	27.1 min	16.6 min
Scheduled departures a day	7	5	6	19,686
Scheduled departures	194	156	2,061	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	194	100%	67.5%	20.7 min	1.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MBS–DTW	Saginaw/Bay City/Midland to Detroit	104	67.3%	24.2 min	1.0%
MBS–ORD	Saginaw/Bay City/Midland to Chicago	90	67.8%	16.7 min	1.1%

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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	45.8%	34.3%	2,367
Late-arriving aircraft	13.9%	40.2%	717
National Aviation System	12.5%	17.8%	647
Extreme weather	27.8%	7.5%	1,440
Security	0.0%	0.2%	0

5,171 delay minutes on 60 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 MBS on time in December 2024?

69.6% of 194 scheduled domestic departures left less than 15 minutes late, and 67.5% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 90.4% of 156 departures left on time and 0.0% were cancelled, against 69.6% and 1.0% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MBS · methodology · corrections.