Southwest Florida International in December 2025

72.8%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 December 2025, reporting carriers scheduled 3,480 domestic departures from Southwest Florida International (RSW). 72.8% left less than 15 minutes late and 72.6% reached their destination on time; 1.9% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so RSW departures were 0.8 points above the national departure figure.

A year earlier, in December 2024, the airport had 3,548 departures with 75.4% leaving on time: a change of −2.6 points, with flights down 2%.

Flights arriving at RSW that month were on time 68.1% of the time (3,488 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 53%, air carrier 24% and national aviation system 18%.

On time 72.6%
Arrived 15+ minutes late 25.3%
Cancelled 1.9%
Diverted 0.1%

Every scheduled departure from RSW 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	RSW, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	72.8%	75.4%	77.0%	72.0%
Arrived on time	72.6%	74.0%	76.5%	71.9%
Cancelled	1.9%	1.3%	1.9%	1.5%
Average departure delay (late minutes only)	22.6 min	22.2 min	18.3 min	21.2 min
Scheduled departures a day	116	118	95	19,410
Scheduled departures	3,480	3,548	34,831	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	797	23%	68.8%	15.2 min	1.6%
DL Delta Air Lines	695	20%	72.8%	18.1 min	3.0%
AA American Airlines	641	18%	74.3%	16.4 min	0.9%
UA United Airlines	638	18%	83.4%	-2.2 min	0.8%
B6 JetBlue Airways	404	12%	69.6%	17.6 min	3.0%
F9 Frontier Airlines	162	5%	56.2%	27.3 min	3.1%
NK Spirit Airlines	108	3%	64.8%	21.3 min	3.7%
G4 Allegiant Air	25	1%	68.0%	91.1 min	4.0%
AS Alaska Airlines	8	0%	75.0%	-6.6 min	0.0%
YX Republic Airline	2	0%	50.0%	45.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
RSW–ORD	Fort Myers to Chicago	337	70.6%	12.7 min	1.8%
RSW–ATL	Fort Myers to Atlanta	252	79.8%	6.8 min	4.4%
RSW–BOS	Fort Myers to Boston	231	65.8%	17.6 min	2.2%
RSW–EWR	Fort Myers to Newark	205	79.5%	4.1 min	2.4%
RSW–DTW	Fort Myers to Detroit	197	69.0%	25.5 min	1.5%
RSW–CLT	Fort Myers to Charlotte	167	84.4%	4.4 min	0.0%
RSW–BWI	Fort Myers to Baltimore	134	69.4%	10.1 min	4.5%
RSW–PHL	Fort Myers to Philadelphia	133	65.4%	38.0 min	1.5%
RSW–DEN	Fort Myers to Denver	127	78.7%	-0.2 min	0.0%
RSW–DFW	Fort Myers to Dallas/Fort Worth	122	73.0%	10.7 min	0.0%
RSW–JFK	Fort Myers to New York	115	72.2%	21.6 min	6.1%
RSW–MSP	Fort Myers to Minneapolis	112	67.0%	22.1 min	2.7%

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	23.9%	33.3%	18,156
Late-arriving aircraft	53.3%	41.1%	40,466
National Aviation System	18.1%	19.1%	13,745
Extreme weather	4.7%	6.4%	3,558
Security	0.0%	0.2%	0

75,925 delay minutes on 880 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 RSW on time in December 2025?

72.8% of 3,480 scheduled domestic departures left less than 15 minutes late, and 72.6% 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, 75.4% of 3,548 departures left on time and 1.3% were cancelled, against 72.8% and 1.9% 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 RSW · methodology · corrections.