Sanford (SFB) to Bristol/Johnson City/Kingsport (TRI): On-Time Performance
Data through July 2026
Sanford (SFB) to Bristol/Johnson City/Kingsport (TRI) is a thinner route than most in this dataset — 134 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 53% arrived on time, noticeably below the national average of 78%.
- On-time
- 53%
- arrived <15 min late
- Avg delay
- 32 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 0.37
- last 12 months
- Duration
- 1h 41m
- scheduled
- Distance
- 535 mi
Monthly on-time trend
Best time to fly from SFB to TRI
Aim for departures around 1 p.m. (59% on-time); avoid 12 p.m. departures (33%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 61% | 15 min |
| Tuesday | 38% | 47 min |
| Thursday | 52% | 28 min |
| Friday | 41% | 54 min |
| Saturdaybest | 75% | 32 min |
| Sunday | 55% | 33 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft29%
- Airline operations33%
- National airspace system19%
- Weather18%
Frequently asked questions
- How often are flights from SFB to TRI delayed?
- 48% of SFB–TRI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 32 minutes.
- What is the best time of day to fly from SFB to TRI?
- Departures around 1 p.m. have the best record (59% on-time), while departures around 12 p.m. have the worst (33%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SFB to TRI?
- The scheduled SFB–TRI flight time averages 1h 41m over 535 miles. Actual arrival times vary — flights on this route land 15+ minutes late 48% of the time.
- How often are SFB to TRI flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
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Related guides
Based on 264 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.