Best Time to Fly ATL to TRI: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Tri Cities
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.3% of Atlanta (ATL) to Bristol/Johnson City/Kingsport (TRI) flights arrived on time (520 scheduled flights). That is 3.7 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 84.1% on time and SkyWest Airlines was last with 72.4%.
Over 24 months, Saturday was the most reliable day (87% on time) and July the worst month (67%).
The cancellation rate was 1.0% (US average 1.8%).
ATL to TRI on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 84.1% | 82 min | 1.3% | 396 |
| SkyWest Airlines | 72.4% | 110 min | 0.0% | 124 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to TRI
On-time arrival % by scheduled departure hour (local time), 1,336 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 89.2% | 0.0% | 83 |
| 9am–10am | 94.4% | 0.0% | 142 |
| 11am–12pm | 83.9% | 0.0% | 144 |
| 12pm–1pm | Limited data | 10 | |
| 1pm–2pm | 86.6% | 0.0% | 157 |
| 2pm–3pm | 75.8% | 1.1% | 184 |
| 3pm–4pm | Limited data | 20 | |
| 4pm–5pm | Limited data | 7 | |
| 5pm–6pm | 73.7% | 0.5% | 215 |
| 6pm–7pm | Limited data | 1 | |
| 7pm–8pm | Limited data | 24 | |
| 8pm–9pm | Limited data | 1 | |
| 9pm–10pm | 83.8% | 2.0% | 348 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to TRI
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 95.6% | +9.8 pts | 0.0% | 45 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.2% | -3.6 pts | 0.0% | 45 |
| Summer peak (Jun 15 - Aug 15) | 74.6% | -11.2 pts | 1.8% | 326 |
| All other days | 85.8% | — | 0.4% | 920 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).