Best Time to Fly TRI to ATL: On-Time Stats by Hour & Airline
Tri Cities → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.9% of Bristol/Johnson City/Kingsport (TRI) to Atlanta (ATL) flights arrived on time (520 scheduled flights). That is 5.2 points above the national average of 77.6%.
Among 2 airlines, Delta Air Lines led with 86.7% on time and SkyWest Airlines was last with 71.0%.
Over 24 months, Monday was the most reliable day (88% on time) and July the worst month (74%).
The cancellation rate was 1.1% (US average 1.8%).
TRI to ATL 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 | 86.7% | 114 min | 1.5% | 396 |
| SkyWest Airlines | 71.0% | 109 min | 0.0% | 124 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly TRI to ATL
On-time arrival % by scheduled departure hour (local time), 1,335 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 89.5% | 1.1% | 367 |
| 7am–8am | Limited data | 7 | |
| 10am–11am | 93.2% | 0.0% | 191 |
| 11am–12pm | 90.6% | 0.0% | 32 |
| 12pm–1pm | 88.9% | 0.0% | 54 |
| 1pm–2pm | 80.2% | 1.1% | 92 |
| 2pm–3pm | Limited data | 10 | |
| 3pm–4pm | 85.1% | 0.0% | 221 |
| 4pm–5pm | 65.8% | 2.5% | 120 |
| 5pm–6pm | Limited data | 20 | |
| 6pm–7pm | Limited data | 27 | |
| 7pm–8pm | 75.1% | 0.5% | 194 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on TRI to ATL
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) | 88.9% | +2.1 pts | 0.0% | 45 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.1% | -10.7 pts | 0.0% | 46 |
| Summer peak (Jun 15 - Aug 15) | 77.3% | -9.5 pts | 1.8% | 327 |
| All other days | 86.8% | — | 0.4% | 917 |
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).