MBS International in April 2026

66.9%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 April 2026, reporting carriers scheduled 124 domestic departures from MBS International (MBS). 66.9% left less than 15 minutes late and 61.3% reached their destination on time; 2.4% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so MBS departures were 12.2 points below the national departure figure.

A year earlier, in April 2025, the airport had 192 departures with 82.8% leaving on time: a change of −15.9 points, with flights down 35%.

Flights arriving at MBS that month were on time 56.5% of the time (124 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 27% and national aviation system 23%.

On time 61.3%
Arrived 15+ minutes late 36.3%
Cancelled 2.4%
Diverted 0.0%

Every scheduled departure from MBS in April 2026, judged by arrival at the destination.

April 2026 against a year earlier, the airport's year and the nation

Measure	Apr 2026	Apr 2025	MBS, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	66.9%	82.8%	76.6%	79.1%
Arrived on time	61.3%	79.7%	72.9%	78.9%
Cancelled	2.4%	1.0%	2.0%	0.9%
Average departure delay (late minutes only)	33.5 min	14.8 min	27.1 min	14.5 min
Scheduled departures a day	4	6	6	19,931
Scheduled departures	124	192	2,061	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	124	100%	61.3%	29.7 min	2.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MBS–ORD	Saginaw/Bay City/Midland to Chicago	90	53.3%	42.9 min	3.3%
MBS–DTW	Saginaw/Bay City/Midland to Detroit	34	82.4%	-4.2 min	0.0%

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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	45.1%	33.5%	1,936
Late-arriving aircraft	27.3%	40.4%	1,171
National Aviation System	23.4%	21.0%	1,004
Extreme weather	4.3%	5.0%	184
Security	0.0%	0.1%	0

4,295 delay minutes on 45 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 April 2026?

66.9% of 124 scheduled domestic departures left less than 15 minutes late, and 61.3% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 82.8% of 192 departures left on time and 1.0% were cancelled, against 66.9% and 2.4% in April 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2026; 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.