MBS International in January 2025

69.9%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 January 2025, reporting carriers scheduled 176 domestic departures from MBS International (MBS). 69.9% left less than 15 minutes late and 68.2% reached their destination on time; 1.7% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so MBS departures were 9.4 points below the national departure figure.

A year earlier, in January 2024, the airport had 164 departures with 50.6% leaving on time: a change of +19.3 points, with flights up 7%.

Flights arriving at MBS that month were on time 64.8% of the time (176 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 59%, late-arriving aircraft 16% and national aviation system 14%.

On time 68.2%
Arrived 15+ minutes late 29.5%
Cancelled 1.7%
Diverted 0.6%

Every scheduled departure from MBS in January 2025, judged by arrival at the destination.

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

Measure	Jan 2025	Jan 2024	MBS, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	69.9%	50.6%	76.6%	79.3%
Arrived on time	68.2%	46.3%	72.9%	78.6%
Cancelled	1.7%	12.8%	2.0%	3.0%
Average departure delay (late minutes only)	30.7 min	45.2 min	27.1 min	14.0 min
Scheduled departures a day	6	6	6	17,992
Scheduled departures	176	164	2,061	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	176	100%	68.2%	20.7 min	1.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MBS–ORD	Saginaw/Bay City/Midland to Chicago	89	60.7%	28.3 min	2.2%
MBS–DTW	Saginaw/Bay City/Midland to Detroit	87	75.9%	13.1 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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	59.2%	36.2%	3,095
Late-arriving aircraft	15.8%	34.7%	827
National Aviation System	13.6%	19.9%	709
Extreme weather	11.5%	9.1%	600
Security	0.0%	0.2%	0

5,231 delay minutes on 52 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 January 2025?

69.9% of 176 scheduled domestic departures left less than 15 minutes late, and 68.2% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 50.6% of 164 departures left on time and 12.8% were cancelled, against 69.9% and 1.7% in January 2025.

Provenance

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