Marquette Sawyer Regional in September 2025

82.0%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 2025, reporting carriers scheduled 122 domestic departures from Marquette Sawyer Regional (MQT). 82.0% left less than 15 minutes late and 81.1% reached their destination on time; 0.0% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so MQT departures were 1.1 points below the national departure figure.

A year earlier, in September 2024, the airport had 90 departures with 90.0% leaving on time: a change of −8.0 points, with flights up 36%.

Flights arriving at MQT that month were on time 81.1% of the time (122 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 74%, air carrier 16% and late-arriving aircraft 5%.

On time 81.1%
Arrived 15+ minutes late 18.9%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from MQT in September 2025, judged by arrival at the destination.

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

Measure	Sep 2025	Sep 2024	MQT, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	82.0%	90.0%	71.6%	83.1%
Arrived on time	81.1%	87.8%	69.8%	82.8%
Cancelled	0.0%	0.0%	5.6%	0.5%
Average departure delay (late minutes only)	23.0 min	6.1 min	33.5 min	12.2 min
Scheduled departures a day	4	3	4	18,748
Scheduled departures	122	90	1,432	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	62	51%	83.9%	19.9 min	0.0%
OO SkyWest Airlines	60	49%	78.3%	12.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MQT–ORD	Marquette to Chicago	62	83.9%	19.9 min	0.0%
MQT–DTW	Marquette to Detroit	30	80.0%	8.6 min	0.0%
MQT–MSP	Marquette to Minneapolis	30	76.7%	17.0 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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	15.9%	34.3%	448
Late-arriving aircraft	5.3%	37.4%	149
National Aviation System	5.0%	22.6%	140
Extreme weather	73.8%	5.6%	2,077
Security	0.0%	0.1%	0

2,814 delay minutes on 23 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 MQT on time in September 2025?

82.0% of 122 scheduled domestic departures left less than 15 minutes late, and 81.1% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 90.0% of 90 departures left on time and 0.0% were cancelled, against 82.0% and 0.0% in September 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MQT · methodology · corrections.