Atlanta (ATL) to Jackson/Vicksburg (JAN): On-Time Performance
Data through May 2026
The calendar drives reliability on ATL–JAN. October 2024 flights landed on schedule 96% of the time, but June 2025 dropped to 64% — a gap of 32 points. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 80%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 5.5
- last 12 months
- Duration
- 1h 21m
- scheduled
- Distance
- 340 mi
Best airline from ATL to JAN
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlinesmost reliable | 88% | 9 min | 1.0% | 314 |
| Endeavor Air | 86% | 6 min | 0.4% | 235 |
| Delta Air Lines | 83% | 12 min | 1.3% | 3,944 |
Monthly on-time trend
Best time to fly from ATL to JAN
Aim for departures around 8 a.m. (91% on-time); avoid 6 p.m. departures (77%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 12 min |
| Tuesday | 86% | 10 min |
| Wednesdaybest | 89% | 6 min |
| Thursday | 85% | 10 min |
| Friday | 82% | 14 min |
| Saturday | 85% | 12 min |
| Sunday | 77% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft35%
- Airline operations47%
- National airspace system11%
- Weather7%
Frequently asked questions
- How often are flights from ATL to JAN delayed?
- 16% of ATL–JAN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- Which airline is most reliable from ATL to JAN?
- Southwest Airlines has the best on-time record on this route at 88%, based on 314 flights. 3 airlines flew ATL–JAN frequently enough to compare in this period.
- What is the best time of day to fly from ATL to JAN?
- Departures around 8 a.m. have the best record (91% on-time), while departures around 6 p.m. have the worst (77%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ATL to JAN?
- The scheduled ATL–JAN flight time averages 1h 21m over 340 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are ATL to JAN flights cancelled?
- 1.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from ATL to JAN?
- June 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was October 2024 at 96%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 4,493 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.