HotelsPeace of Mind
Blue Grass Airport
Lexington KY · LEX · United States

How reliable is Blue Grass Airport?

Flights from LEX departed within 15 minutes of schedule in 82% of 61,255 flights in official BTS history — and weather is calmest in Oct. 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
LEX · KLEX
Time zone
America/New York
Coordinates
38.04, -84.61
Nearby airports

Origin-airport operations

What the departure punctuality at LEX looks like

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On-time departures

across 61,255 flights

82%
On-time departures
within 15 min of schedule
2.1%
Cancellation rate
of scheduled departures
12 min
Avg. departure delay
across delayed flights
61,255
Flights analyzed
medium confidence

Source: BTS Airport Operations · data through 2026-09-08. Role-specific BTS departure history; advisory context, not a guarantee for any flight.

Weather by month

When the weather works for you at Lexington KY

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 score025507510085J85F91M93A91M92J92J93A92S93O90N87D
Calm (80+)Mixed (60–79)Disruptive (<60)

Calmest month

Oct

Calmest flying weather of the year · 93/100 favorability

Roughest month

Feb

Most disruptive — low visibility & fog, snow · 85/100 favorability

The read on LEX

What the numbers say about flying through Blue Grass Airport

Across official performance history, flights from Lexington KY left within 15 minutes of schedule about 82% of the time over 61,255 flights. That's a solid, better-than-average operational record. Pair it with a moderate cancellation rate of 2.1%. When a departure does run late, the typical delay is around 12 minutes.

On weather, Lexington KY is an unusually calm-weather airport year-round. October is the calmest stretch for flying, scoring 93 out of 100 for favorable conditions, while February is the most disruptive at 85, driven mainly by low visibility & fog and snow. 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 Lexington KY, read how we weigh it all in how the Peace of Mind Score works, and brush up with how to pick a reliable flight and avoiding weather delays.

Common questions about LEX

How reliable is Blue Grass Airport (LEX)?
Flights from Lexington KY left within 15 minutes of schedule roughly 82% of the time across 61,255 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 2.1%. It's advisory context, not a guarantee for any single flight.
What is the best month to fly from LEX for good weather?
October has the calmest flying weather at Blue Grass Airport. February is the most disruptive, mainly from low visibility & fog and snow.

Peace of Mind

Where to stay in Lexington KY

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