Orlando Sanford International in May 2025

67.8%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 881 domestic departures from Orlando Sanford International (SFB). 67.8% left less than 15 minutes late and 65.4% reached their destination on time; 0.3% were cancelled.

Nationally that month, 76.7% of flights departed on time and 75.4% arrived on time, so SFB departures were 8.9 points below the national departure figure.

A year earlier, in May 2024, the airport had 776 departures with 78.5% leaving on time: a change of −10.7 points, with flights up 14%.

Flights arriving at SFB that month were on time 60.5% of the time (881 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 37%, late-arriving aircraft 30% and air carrier 22%.

On time 65.4%
Arrived 15+ minutes late 34.2%
Cancelled 0.3%
Diverted 0.1%

Every scheduled departure from SFB 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	SFB, 12 months to Jul 2026	All reported flights, May 2025
Departed on time	67.8%	78.5%	72.4%	76.7%
Arrived on time	65.4%	77.6%	69.5%	75.4%
Cancelled	0.3%	0.4%	0.7%	1.0%
Average departure delay (late minutes only)	25.7 min	14.8 min	24.9 min	17.5 min
Scheduled departures a day	29	26	28	20,188
Scheduled departures	881	776	10,115	605,648

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	881	100%	65.4%	21.1 min	0.3%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SFB–TYS	Sanford to Knoxville	51	62.7%	28.0 min	0.0%
SFB–ABE	Sanford to Allentown/Bethlehem/Easton	50	78.0%	7.8 min	0.0%
SFB–AVL	Sanford to Asheville	39	48.7%	34.3 min	2.6%
SFB–GRR	Sanford to Grand Rapids	32	59.4%	22.5 min	0.0%
SFB–CVG	Sanford to Cincinnati	30	70.0%	20.0 min	0.0%
SFB–FNT	Sanford to Flint	28	75.0%	31.5 min	0.0%
SFB–MDT	Sanford to Harrisburg	26	84.6%	1.0 min	0.0%
SFB–SBN	Sanford to South Bend	25	68.0%	20.1 min	4.0%
SFB–BGR	Sanford to Bangor	21	71.4%	3.1 min	4.8%
SFB–IND	Sanford to Indianapolis	20	35.0%	79.5 min	0.0%
SFB–LEX	Sanford to Lexington	19	21.1%	73.9 min	0.0%
SFB–ATW	Sanford to Appleton	18	77.8%	1.3 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), May 2025.

Delay causes

BTS cause category	Share of delay minutes	National, May 2025	Minutes
Air carrier	21.6%	29.3%	4,984
Late-arriving aircraft	29.5%	37.8%	6,805
National Aviation System	12.1%	25.9%	2,784
Extreme weather	36.6%	6.9%	8,459
Security	0.2%	0.1%	56

23,088 delay minutes on 301 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 May 2025?

67.8% of 881 scheduled domestic departures left less than 15 minutes late, and 65.4% 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, 78.5% of 776 departures left on time and 0.4% were cancelled, against 67.8% and 0.3% 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 SFB · methodology · corrections.