Marquette Sawyer Regional in May 2025

89.2%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 May 2025, reporting carriers scheduled 120 domestic departures from Marquette Sawyer Regional (MQT). 89.2% left less than 15 minutes late and 82.5% reached their destination on time; 0.0% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so MQT departures were 12.5 points above the national departure figure.

A year earlier, in May 2024, the airport had 85 departures with 82.4% leaving on time: a change of +6.8 points, with flights up 41%.

Flights arriving at MQT that month were on time 81.7% of the time (120 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, national aviation system 32% and extreme weather 24%.

On time 82.5%
Arrived 15+ minutes late 17.5%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	May 2025	May 2024	MQT, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	89.2%	82.4%	71.6%	76.7%
Arrived on time	82.5%	78.8%	69.8%	75.4%
Cancelled	0.0%	0.0%	5.6%	1.0%
Average departure delay (late minutes only)	9.8 min	13.3 min	33.5 min	17.5 min
Scheduled departures a day	4	3	4	20,188
Scheduled departures	120	85	1,432	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	62	52%	85.5%	-1.7 min	0.0%
MQ Envoy Air	58	48%	79.3%	8.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MQT–ORD	Marquette to Chicago	58	79.3%	8.7 min	0.0%
MQT–DTW	Marquette to Detroit	31	77.4%	4.8 min	0.0%
MQT–MSP	Marquette to Minneapolis	31	93.5%	-8.2 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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	37.8%	29.3%	529
Late-arriving aircraft	6.3%	37.8%	88
National Aviation System	31.6%	25.9%	443
Extreme weather	24.3%	6.9%	340
Security	0.0%	0.1%	0

1,400 delay minutes on 21 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 May 2025?

89.2% of 120 scheduled domestic departures left less than 15 minutes late, and 82.5% reached their destination on time. The national figures that month were 76.7% and 75.4%.

How does that compare with a year earlier?

In May 2024, 82.4% of 85 departures left on time and 0.0% were cancelled, against 89.2% and 0.0% in May 2025.

Provenance

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