South Bend International in August 2025

77.7%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 August 2025, reporting carriers scheduled 642 domestic departures from South Bend International (SBN). 77.7% left less than 15 minutes late and 74.9% reached their destination on time; 1.9% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so SBN departures were 0.9 points above the national departure figure.

A year earlier, in August 2024, the airport had 575 departures with 75.3% leaving on time: a change of +2.4 points, with flights up 12%.

Flights arriving at SBN that month were on time 71.5% of the time (643 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 26% and extreme weather 16%.

On time 74.9%
Arrived 15+ minutes late 22.7%
Cancelled 1.9%
Diverted 0.5%

Every scheduled departure from SBN in August 2025, judged by arrival at the destination.

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

Measure	Aug 2025	Aug 2024	SBN, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	77.7%	75.3%	74.0%	76.8%
Arrived on time	74.9%	75.0%	70.3%	76.3%
Cancelled	1.9%	0.3%	2.5%	1.1%
Average departure delay (late minutes only)	19.1 min	22.0 min	27.3 min	17.6 min
Scheduled departures a day	21	19	22	20,079
Scheduled departures	642	575	8,096	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	458	71%	75.5%	13.8 min	2.4%
OH PSA Airlines	91	14%	76.9%	6.1 min	1.1%
G4 Allegiant Air	81	13%	65.4%	20.2 min	0.0%
YX Republic Airline	12	2%	100.0%	-12.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SBN–ORD	South Bend to Chicago	186	65.6%	22.0 min	4.3%
SBN–DFW	South Bend to Dallas/Fort Worth	93	73.1%	21.2 min	2.2%
SBN–CLT	South Bend to Charlotte	90	77.8%	5.3 min	1.1%
SBN–ATL	South Bend to Atlanta	87	82.8%	6.1 min	0.0%
SBN–DTW	South Bend to Detroit	62	91.9%	-1.1 min	0.0%
SBN–MSP	South Bend to Minneapolis	31	87.1%	-3.3 min	3.2%
SBN–PIE	South Bend to St. Petersburg	18	72.2%	20.6 min	0.0%
SBN–SFB	South Bend to Sanford	17	58.8%	44.7 min	0.0%
SBN–PGD	South Bend to Punta Gorda	15	60.0%	23.1 min	0.0%
SBN–IAD	South Bend to Washington	12	100.0%	-12.1 min	0.0%
SBN–AZA	South Bend to Phoenix	9	44.4%	37.1 min	0.0%
SBN–LAS	South Bend to Las Vegas	9	77.8%	-11.7 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), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	48.1%	33.1%	6,017
Late-arriving aircraft	26.0%	40.5%	3,253
National Aviation System	9.5%	19.2%	1,190
Extreme weather	16.3%	7.0%	2,039
Security	0.0%	0.1%	0

12,499 delay minutes on 146 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 SBN on time in August 2025?

77.7% of 642 scheduled domestic departures left less than 15 minutes late, and 74.9% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 75.3% of 575 departures left on time and 0.3% were cancelled, against 77.7% and 1.9% in August 2025.

Provenance

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