Route Reliability

Airport reliability

Bristol/Johnson City/Kingsport (TRI) on-time performance

How reliably flights leave Bristol/Johnson City/Kingsport, TN (TRI) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Bristol/Johnson City/Kingsport, TN1,501 departures in 12 months

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Departures on time
78.4%
U.S. average 75.6%
Cancelled
2.1%
U.S. average 1.9%
60+ minutes late
9.9%
U.S. average 8.1%
Scheduled departures
1,501
12 months

What this means

TRI departures beat the U.S. average.

  • 78.4% of the 1,501 scheduled departures from Bristol/Johnson City/Kingsport (TRI) arrived at their destination on time, 2.8 points higher than the U.S. average of 75.6%.
  • 2.1% of departures were cancelled (U.S. average 1.9%), and 9.9% arrived an hour or more late.
  • Flights arriving at TRI were on time 76.8% of the time.
  • Among airlines with at least 300 departures, Delta Air Lines was the most punctual from TRI (86.4%) and Envoy Air the least (83.8%).
  • Over the last 3 years, November was the most reliable month for departures from TRI (89.0% on time) and June the least reliable (73.5%).
  • Cancellations peaked in January, when 5.1% of flights were cancelled.
  • Flights scheduled to depart 6 am to 7 am were the most punctual (87.6% on time); flights scheduled to depart 3 pm to 4 pm were the least (58.1%).

Airlines at TRI

Ranked by on-time arrival

Departures from TRI, September 2025 to August 2026. On time means arrived at the destination within 15 minutes of schedule.
AirlineOn timeCancelled 60+ min lateAvg delay when lateDepartures
Delta Air Lines 86.4%1.4% 7.7%115 min 418
Envoy AirSold as American Eagle 83.8%2.1% 6.9%99 min 699
PSA AirlinesSold as American Eagle 73.1%7.4% 11.1%173 min 108
SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska 72.9%0.0% 17.6%87 min 85
Allegiant Air 46.6%1.0% 21.5%72 min 191

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On-time rate by departure hour

<6a 90.2%
6a 87.6%
7a 86.7%
8a Insufficient sample
9a Insufficient sample
10a Insufficient sample
11a Insufficient sample
12p Insufficient sample
1p 70.3%
2p Insufficient sample
3p 58.1%
4p 78.8%
5p 66.7%
6p Insufficient sample
7p Insufficient sample
9p Insufficient sample
10p Insufficient sample
Share of scheduled flights on time TRI average 78.4%
Departures from TRI by scheduled local departure hour, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am 90.2% 51
Departing 6 am to 7 am 87.6% 275
Departing 7 am to 8 am 86.7% 323
Departing 8 am to 9 am Insufficient sample 5
Departing 9 am to 10 am Insufficient sample 23
Departing 10 am to 11 am Insufficient sample 33
Departing 11 am to noon Insufficient sample 6
Departing noon to 1 pm Insufficient sample 41
Departing 1 pm to 2 pm 70.3% 74
Departing 2 pm to 3 pm Insufficient sample 25
Departing 3 pm to 4 pm 58.1% 129
Departing 4 pm to 5 pm 78.8% 269
Departing 5 pm to 6 pm 66.7% 183
Departing 6 pm to 7 pm Insufficient sample 16
Departing 7 pm to 8 pm Insufficient sample 25
Departing 9 pm to 10 pm Insufficient sample 13
Departing 10 pm to 11 pm Insufficient sample 10

Best and worst months at TRI

Jan 75.8%
Feb 84.8%
Mar 83.0%
Apr 82.7%
May 74.3%
Jun 73.5%
Jul 73.7%
Aug 81.0%
Sep 84.5%
Oct 86.2%
Nov 89.0%
Dec 81.6%
Share of scheduled flights on time 12-month average 78.4%
Departures from TRI by calendar month, September 2023 to August 2026 pooled. Scale starts at zero.
Show as table
PeriodOn timeFlights
January 75.8% 293
February 84.8% 289
March 83.0% 329
April 82.7% 289
May 74.3% 369
June 73.5% 509
July 73.7% 548
August 81.0% 521
September 84.5% 621
October 86.2% 617
November 89.0% 553
December 81.6% 479

Month by month, last 12 months

Sep 83.9%
Oct 78.9%
Nov 83.7%
Dec 83.0%
Jan 70.0%
Feb 74.7%
Mar 83.9%
Apr 75.3%
May 74.4%
Jun 73.5%
Jul 72.8%
Aug 82.8%
Share of scheduled flights on time U.S. average 75.6%
Departures from TRI, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 83.9% 161
Oct 2025 78.9% 147
Nov 2025 83.7% 129
Dec 2025 83.0% 112
Jan 2026 70.0% 60
Feb 2026 74.7% 87
Mar 2026 83.9% 87
Apr 2026 75.3% 77
May 2026 74.4% 117
Jun 2026 73.5% 170
Jul 2026 72.8% 180
Aug 2026 82.8% 174

Busiest routes from TRI

Nonstop routes from TRI by scheduled flights, September 2025 to August 2026.
ToOn timeCancelledAirlinesFlights
Dallas/Fort Worth (DFW) 81.6%3.0%2705
Atlanta (ATL) 84.1%1.2%2503
Sanford (SFB) 36.5%0.7%1137
Chicago (ORD) 88.2%2.0%1102
St. Petersburg (PIE) 72.2%1.9%154
Airliner parked at a terminal gate
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Scheduled nonstop domestic departures from Bristol/Johnson City/Kingsport, TN (TRI) by airlines that report to the DOT.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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