Tri Cities in December 2025

80.4%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 December 2025, reporting carriers scheduled 112 domestic departures from Tri Cities (TRI). 80.4% left less than 15 minutes late and 83.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so TRI departures were 8.4 points above the national departure figure.

A year earlier, in December 2024, the airport had 181 departures with 76.2% leaving on time: a change of +4.2 points, with flights down 38%.

Flights arriving at TRI that month were on time 82.9% of the time (111 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 23% and extreme weather 18%.

On time 83.0%
Arrived 15+ minutes late 17.0%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from TRI 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	TRI, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	80.4%	76.2%	76.1%	72.0%
Arrived on time	83.0%	75.7%	77.0%	71.9%
Cancelled	0.0%	0.0%	2.1%	1.5%
Average departure delay (late minutes only)	16.3 min	25.9 min	22.1 min	21.2 min
Scheduled departures a day	4	6	4	19,410
Scheduled departures	112	181	1,483	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	62	55%	87.1%	-0.4 min	0.0%
DL Delta Air Lines	40	36%	87.5%	-5.6 min	0.0%
G4 Allegiant Air	10	9%	40.0%	40.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
TRI–DFW	Bristol/Johnson City/Kingsport to Dallas/Fort Worth	62	87.1%	-0.4 min	0.0%
TRI–ATL	Bristol/Johnson City/Kingsport to Atlanta	40	87.5%	-5.6 min	0.0%
TRI–SFB	Bristol/Johnson City/Kingsport to Sanford	10	40.0%	40.0 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), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	22.7%	33.3%	369
Late-arriving aircraft	50.9%	41.1%	826
National Aviation System	8.7%	19.1%	141
Extreme weather	17.7%	6.4%	287
Security	0.0%	0.2%	0

1,623 delay minutes on 19 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 TRI on time in December 2025?

80.4% of 112 scheduled domestic departures left less than 15 minutes late, and 83.0% 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, 76.2% of 181 departures left on time and 0.0% were cancelled, against 80.4% and 0.0% 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 TRI · methodology · corrections.