Tallahassee International in September 2025

87.4%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 358 domestic departures from Tallahassee International (TLH). 87.4% left less than 15 minutes late and 85.2% reached their destination on time; 0.6% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so TLH departures were 4.3 points above the national departure figure.

A year earlier, in September 2024, the airport had 542 departures with 83.0% leaving on time: a change of +4.4 points, with flights down 34%.

Flights arriving at TLH that month were on time 84.4% of the time (358 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 37% and national aviation system 15%.

On time 85.2%
Arrived 15+ minutes late 14.2%
Cancelled 0.6%
Diverted 0.0%

Every scheduled departure from TLH 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	TLH, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	87.4%	83.0%	82.0%	83.1%
Arrived on time	85.2%	80.6%	80.4%	82.8%
Cancelled	0.6%	6.5%	2.2%	0.5%
Average departure delay (late minutes only)	10.9 min	10.1 min	17.0 min	12.2 min
Scheduled departures a day	12	18	13	18,748
Scheduled departures	358	542	4,644	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	145	41%	91.0%	-4.4 min	0.0%
OH PSA Airlines	120	34%	78.3%	4.4 min	1.7%
MQ Envoy Air	89	25%	86.5%	6.1 min	0.0%
AA American Airlines	3	1%	66.7%	17.0 min	0.0%
OO SkyWest Airlines	1	0%	0.0%	31.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
TLH–ATL	Tallahassee to Atlanta	146	90.4%	-4.2 min	0.0%
TLH–MIA	Tallahassee to Miami	92	85.9%	6.4 min	0.0%
TLH–DFW	Tallahassee to Dallas/Fort Worth	90	81.1%	3.1 min	2.2%
TLH–DCA	Tallahassee to Washington	30	70.0%	8.2 min	0.0%

By scheduled departure hour

100

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	46.1%	34.3%	1,798
Late-arriving aircraft	36.9%	37.4%	1,436
National Aviation System	15.3%	22.6%	595
Extreme weather	1.7%	5.6%	67
Security	0.0%	0.1%	0

3,896 delay minutes on 51 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 TLH on time in September 2025?

87.4% of 358 scheduled domestic departures left less than 15 minutes late, and 85.2% 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, 83.0% of 542 departures left on time and 6.5% were cancelled, against 87.4% and 0.6% 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 TLH · methodology · corrections.