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Jackson-Medgar Wiley Evers International Airport
Jackson · JAN · United States

How reliable is Jackson-Medgar Wiley Evers International Airport?

Flights from JAN departed within 15 minutes of schedule in 84% of 52,323 flights in official BTS history — and weather is calmest in Sep. Here’s the full picture before you book.

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Reliability score

on-time, cancellations & delays

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Weather favorability

year-round climate

IATA / ICAO
JAN · KJAN
Time zone
America/Chicago
Coordinates
32.31, -90.08

Origin-airport operations

What the departure punctuality at JAN looks like

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On-time departures

across 52,323 flights

84%
On-time departures
within 15 min of schedule
1.8%
Cancellation rate
of scheduled departures
10 min
Avg. departure delay
across delayed flights
52,323
Flights analyzed
medium confidence

Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.

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Weather by month

When the weather works for you at Jackson

A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.

Calm-weather score025507510086J87F92M91A91M93J93J93A95S93O87N87D
Calm (80+)Mixed (60–79)Disruptive (<60)

Calmest month

Sep

Calmest flying weather of the year · 95/100 favorability

Roughest month

Jan

Most disruptivelow visibility & fog, thunderstorms · 86/100 favorability

The read on JAN

What the numbers say about flying through Jackson-Medgar Wiley Evers International Airport

Across official performance history, flights from Jackson left within 15 minutes of schedule about 84% of the time over 52,323 flights. That's a solid, better-than-average operational record. Pair it with a moderate cancellation rate of 1.8%. When a departure does run late, the typical delay is around 10 minutes.

On weather, Jackson is an unusually calm-weather airport year-round. September is the calmest stretch for flying, scoring 95 out of 100 for favorable conditions, while January is the most disruptive at 86, driven mainly by low visibility & fog and thunderstorms. The year is relatively steady, so no single month stands out as one to avoid on weather alone.

None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Jackson, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.

Common questions about JAN

How reliable is Jackson-Medgar Wiley Evers International Airport (JAN)?
Flights from Jackson left within 15 minutes of schedule roughly 84% of the time across 52,323 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 1.8%. It's advisory context, not a guarantee for any single flight.
What is the best month to fly from JAN for good weather?
September has the calmest flying weather at Jackson-Medgar Wiley Evers International Airport. January is the most disruptive, mainly from low visibility & fog and thunderstorms.

Planning a trip through Jackson?

Score real flights to and from JAN on reliability, weather, and connection safety — not just price.