South Bend International in December 2025

63.5%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 December 2025, reporting carriers scheduled 676 domestic departures from South Bend International (SBN). 63.5% left less than 15 minutes late and 54.9% reached their destination on time; 2.1% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so SBN departures were 8.5 points below the national departure figure.

A year earlier, in December 2024, the airport had 630 departures with 76.5% leaving on time: a change of −13.0 points, with flights up 7%.

Flights arriving at SBN that month were on time 62.6% of the time (676 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 24% and national aviation system 18%.

On time 54.9%
Arrived 15+ minutes late 42.9%
Cancelled 2.1%
Diverted 0.1%

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

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

Measure	Dec 2025	Dec 2024	SBN, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	63.5%	76.5%	74.0%	72.0%
Arrived on time	54.9%	73.3%	70.3%	71.9%
Cancelled	2.1%	0.3%	2.5%	1.5%
Average departure delay (late minutes only)	49.0 min	22.0 min	27.3 min	21.2 min
Scheduled departures a day	23	21	22	19,410
Scheduled departures	676	630	8,096	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	470	70%	54.9%	53.8 min	2.6%
G4 Allegiant Air	102	15%	52.9%	30.8 min	0.0%
OH PSA Airlines	102	15%	56.9%	33.6 min	2.0%
YX Republic Airline	2	0%	50.0%	4.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SBN–ORD	South Bend to Chicago	243	49.8%	56.3 min	4.1%
SBN–ATL	South Bend to Atlanta	88	62.5%	38.2 min	1.1%
SBN–CLT	South Bend to Charlotte	86	55.8%	35.8 min	2.3%
SBN–DFW	South Bend to Dallas/Fort Worth	76	65.8%	28.5 min	0.0%
SBN–DTW	South Bend to Detroit	50	46.0%	99.4 min	2.0%
SBN–MSP	South Bend to Minneapolis	31	64.5%	48.9 min	0.0%
SBN–PGD	South Bend to Punta Gorda	25	60.0%	30.9 min	0.0%
SBN–SFB	South Bend to Sanford	18	55.6%	34.9 min	0.0%
SBN–AZA	South Bend to Phoenix	15	53.3%	20.2 min	0.0%
SBN–PIE	South Bend to St. Petersburg	13	46.2%	14.2 min	0.0%
SBN–SRQ	South Bend to Sarasota/Bradenton	13	53.8%	18.2 min	0.0%
SBN–FLL	South Bend to Fort Lauderdale	9	22.2%	104.3 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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	46.4%	33.3%	16,633
Late-arriving aircraft	23.6%	41.1%	8,474
National Aviation System	17.8%	19.1%	6,393
Extreme weather	12.2%	6.4%	4,383
Security	0.0%	0.2%	0

35,883 delay minutes on 290 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 December 2025?

63.5% of 676 scheduled domestic departures left less than 15 minutes late, and 54.9% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 76.5% of 630 departures left on time and 0.3% were cancelled, against 63.5% and 2.1% in December 2025.

Provenance

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