Orlando Sanford International in September 2025

79.9%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 537 domestic departures from Orlando Sanford International (SFB). 79.9% left less than 15 minutes late and 81.4% 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 SFB departures were 3.2 points below the national departure figure.

A year earlier, in September 2024, the airport had 501 departures with 79.8% leaving on time: a change of +0.1 points, with flights up 7%.

Flights arriving at SFB that month were on time 72.3% of the time (537 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 28% and extreme weather 20%.

On time 81.4%
Arrived 15+ minutes late 18.6%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from SFB 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	SFB, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	79.9%	79.8%	72.4%	83.1%
Arrived on time	81.4%	79.8%	69.5%	82.8%
Cancelled	0.0%	0.8%	0.7%	0.5%
Average departure delay (late minutes only)	15.0 min	13.8 min	24.9 min	12.2 min
Scheduled departures a day	18	17	28	18,748
Scheduled departures	537	501	10,115	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	537	100%	81.4%	6.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SFB–TYS	Sanford to Knoxville	47	89.4%	-1.8 min	0.0%
SFB–ABE	Sanford to Allentown/Bethlehem/Easton	39	89.7%	-8.3 min	0.0%
SFB–AVL	Sanford to Asheville	39	84.6%	-2.7 min	0.0%
SFB–CVG	Sanford to Cincinnati	24	70.8%	2.8 min	0.0%
SFB–GRR	Sanford to Grand Rapids	20	70.0%	9.5 min	0.0%
SFB–FNT	Sanford to Flint	19	84.2%	7.2 min	0.0%
SFB–MDT	Sanford to Harrisburg	17	64.7%	91.9 min	0.0%
SFB–USA	Sanford to Concord	17	52.9%	39.5 min	0.0%
SFB–LEX	Sanford to Lexington	15	86.7%	7.0 min	0.0%
SFB–BGR	Sanford to Bangor	14	78.6%	6.7 min	0.0%
SFB–DSM	Sanford to Des Moines	13	100.0%	-5.2 min	0.0%
SFB–LCK	Sanford to Columbus	13	84.6%	-2.2 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), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	45.2%	34.3%	3,362
Late-arriving aircraft	28.1%	37.4%	2,088
National Aviation System	7.0%	22.6%	520
Extreme weather	19.7%	5.6%	1,465
Security	0.0%	0.1%	0

7,435 delay minutes on 100 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 SFB on time in September 2025?

79.9% of 537 scheduled domestic departures left less than 15 minutes late, and 81.4% 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, 79.8% of 501 departures left on time and 0.8% were cancelled, against 79.9% 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 SFB · methodology · corrections.