Tri Cities in July 2025

71.9%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 July 2025, reporting carriers scheduled 171 domestic departures from Tri Cities (TRI). 71.9% left less than 15 minutes late and 70.8% reached their destination on time; 0.6% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so TRI departures were 2.2 points above the national departure figure.

A year earlier, in July 2024, the airport had 197 departures with 77.2% leaving on time: a change of −5.3 points, with flights down 13%.

Flights arriving at TRI that month were on time 66.7% of the time (171 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, national aviation system 25% and air carrier 19%.

On time 70.8%
Arrived 15+ minutes late 28.1%
Cancelled 0.6%
Diverted 0.6%

Every scheduled departure from TRI in July 2025, judged by arrival at the destination.

July 2025 against a year earlier, the airport's year and the nation

Measure	Jul 2025	Jul 2024	TRI, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	71.9%	77.2%	76.1%	69.7%
Arrived on time	70.8%	77.2%	77.0%	69.0%
Cancelled	0.6%	4.1%	2.1%	2.5%
Average departure delay (late minutes only)	23.6 min	19.0 min	22.1 min	24.3 min
Scheduled departures a day	6	7	4	21,048
Scheduled departures	171	197	1,483	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
MQ Envoy Air	62	36%	87.1%	-4.7 min	1.6%
DL Delta Air Lines	58	34%	77.6%	10.7 min	0.0%
OO SkyWest Airlines	28	16%	67.9%	17.9 min	0.0%
G4 Allegiant Air	23	13%	13.0%	47.9 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
TRI–ATL	Bristol/Johnson City/Kingsport to Atlanta	86	74.4%	13.0 min	0.0%
TRI–DFW	Bristol/Johnson City/Kingsport to Dallas/Fort Worth	62	87.1%	-4.7 min	1.6%
TRI–SFB	Bristol/Johnson City/Kingsport to Sanford	14	14.3%	48.6 min	0.0%
TRI–PIE	Bristol/Johnson City/Kingsport to St. Petersburg	9	11.1%	46.8 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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	19.1%	31.1%	698
Late-arriving aircraft	43.9%	40.8%	1,600
National Aviation System	24.9%	20.7%	909
Extreme weather	12.1%	7.3%	440
Security	0.0%	0.1%	0

3,647 delay minutes on 48 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 July 2025?

71.9% of 171 scheduled domestic departures left less than 15 minutes late, and 70.8% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 77.2% of 197 departures left on time and 4.1% were cancelled, against 71.9% and 0.6% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 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.