Best Time to Fly JAN to ATL: On-Time Stats by Hour & Airline
Jackson Medgar Wiley Evers International → Hartsfield-Jackson Atlanta International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 89.1% of Jackson/Vicksburg (JAN) to Atlanta (ATL) flights arrived on time (1,956 scheduled flights). That is 11.5 points above the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (92% on time) and June the worst month (82%).
The cancellation rate was 1.6% (US average 1.8%).
JAN 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 | 89.1% | 87 min | 1.6% | 1,956 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly JAN to ATL
On-time arrival % by scheduled departure hour (local time), 4,363 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.6% | 1.6% | 507 |
| 6am–7am | 93.0% | 1.1% | 187 |
| 7am–8am | 93.0% | 1.6% | 612 |
| 8am–9am | 81.1% | 2.6% | 38 |
| 9am–10am | 92.6% | 1.1% | 370 |
| 10am–11am | 92.0% | 1.3% | 305 |
| 11am–12pm | 88.6% | 0.0% | 158 |
| 12pm–1pm | 85.5% | 1.2% | 404 |
| 1pm–2pm | 86.9% | 0.6% | 177 |
| 2pm–3pm | 85.0% | 1.3% | 305 |
| 3pm–4pm | 88.0% | 1.0% | 394 |
| 4pm–5pm | 91.0% | 1.5% | 68 |
| 5pm–6pm | 78.9% | 1.5% | 395 |
| 6pm–7pm | 79.5% | 0.6% | 172 |
| 7pm–8pm | 77.4% | 1.9% | 271 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on JAN 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) | 89.1% | +1.0 pts | 0.0% | 92 |
| Christmas & New Year (Dec 20 - Jan 3) | 84.6% | -3.5 pts | 2.5% | 120 |
| Summer peak (Jun 15 - Aug 15) | 85.9% | -2.3 pts | 2.2% | 724 |
| All other days | 88.2% | — | 1.1% | 3,427 |
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).