MBS International in June 2025

77.0%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 June 2025, reporting carriers scheduled 204 domestic departures from MBS International (MBS). 77.0% left less than 15 minutes late and 73.0% reached their destination on time; 0.5% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so MBS departures were 5.6 points above the national departure figure.

A year earlier, in June 2024, the airport had 190 departures with 80.0% leaving on time: a change of −3.0 points, with flights up 7%.

Flights arriving at MBS that month were on time 76.0% of the time (204 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 69%, national aviation system 16% and late-arriving aircraft 10%.

On time 73.0%
Arrived 15+ minutes late 26.5%
Cancelled 0.5%
Diverted 0.0%

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

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

Measure	Jun 2025	Jun 2024	MBS, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	77.0%	80.0%	76.6%	71.4%
Arrived on time	73.0%	78.4%	72.9%	70.3%
Cancelled	0.5%	1.6%	2.0%	1.6%
Average departure delay (late minutes only)	32.5 min	23.6 min	27.1 min	22.1 min
Scheduled departures a day	7	6	6	20,386
Scheduled departures	204	190	2,061	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	204	100%	73.0%	27.0 min	0.5%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MBS–DTW	Saginaw/Bay City/Midland to Detroit	114	78.1%	24.7 min	0.9%
MBS–ORD	Saginaw/Bay City/Midland to Chicago	90	66.7%	29.8 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), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	69.3%	31.6%	4,726
Late-arriving aircraft	9.7%	40.6%	661
National Aviation System	15.9%	20.9%	1,087
Extreme weather	5.0%	6.9%	338
Security	0.1%	0.2%	6

6,818 delay minutes on 54 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 June 2025?

77.0% of 204 scheduled domestic departures left less than 15 minutes late, and 73.0% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 80.0% of 190 departures left on time and 1.6% were cancelled, against 77.0% and 0.5% in June 2025.

Provenance

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