Manchester Boston Regional in September 2025

89.0%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 535 domestic departures from Manchester Boston Regional (MHT). 89.0% left less than 15 minutes late and 84.9% reached their destination on time; 0.6% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so MHT departures were 5.9 points above the national departure figure.

A year earlier, in September 2024, the airport had 568 departures with 89.8% leaving on time: a change of −0.8 points, with flights down 6%.

Flights arriving at MHT that month were on time 86.0% of the time (534 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 58%, national aviation system 25% and air carrier 17%.

On time 84.9%
Arrived 15+ minutes late 14.2%
Cancelled 0.6%
Diverted 0.4%

Every scheduled departure from MHT 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	MHT, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	89.0%	89.8%	80.2%	83.1%
Arrived on time	84.9%	89.8%	79.0%	82.8%
Cancelled	0.6%	0.5%	2.3%	0.5%
Average departure delay (late minutes only)	10.1 min	8.6 min	15.7 min	12.2 min
Scheduled departures a day	18	19	16	18,748
Scheduled departures	535	568	5,994	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	240	45%	91.3%	-1.4 min	0.0%
OH PSA Airlines	176	33%	80.7%	0.6 min	1.7%
MQ Envoy Air	86	16%	80.2%	2.3 min	0.0%
B6 JetBlue Airways	33	6%	72.7%	37.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MHT–BWI	Manchester to Baltimore	146	90.4%	-0.6 min	0.0%
MHT–CLT	Manchester to Charlotte	88	90.9%	-11.9 min	1.1%
MHT–DCA	Manchester to Washington	88	70.5%	13.1 min	2.3%
MHT–ORD	Manchester to Chicago	86	80.2%	2.3 min	0.0%
MHT–MCO	Manchester to Orlando	64	81.3%	21.2 min	0.0%
MHT–MDW	Manchester to Chicago	56	98.2%	-10.8 min	0.0%
MHT–TPA	Manchester to Tampa	4	75.0%	6.5 min	0.0%
MHT–JFK	Manchester to New York	3	33.3%	81.7 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	17.0%	34.3%	966
Late-arriving aircraft	57.6%	37.4%	3,271
National Aviation System	25.4%	22.6%	1,446
Extreme weather	0.0%	5.6%	0
Security	0.0%	0.1%	0

5,683 delay minutes on 76 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 MHT on time in September 2025?

89.0% of 535 scheduled domestic departures left less than 15 minutes late, and 84.9% 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, 89.8% of 568 departures left on time and 0.5% were cancelled, against 89.0% and 0.6% 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 MHT · methodology · corrections.