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STL Airport - St Louis Lambert International Airport

St. Louis, United States. Departures peak at 08:00 local, averaging 36.8 flights per hour.

Window: last 60 days. Last refreshed: 2026-09-04. Schedule coverage: 49 days observed.

Peak departure hour
08:00
36.8 flights/hr
Quietest active hour
01:00
1 flights/hr
Traffic score
84/100
Relative volume

Departures by hour (local time)

Avg per day, last 60 days
0003060912151821

Total: 326.2 avg departures per day.

Weekday vs weekend departure pattern

Weekday avg per hour
0003060912151821
Weekend avg per hour
0003060912151821

Arrivals by hour (local time)

Avg per day, last 60 days
0003060912151821

Peak arrival hour: 19:00 local (27.5 flights/hr). Total: 331.4 avg arrivals/day.

Top airlines

  1. 1. Southwest Airlines (WN) 3,027
  2. 2. American Airlines (AA) 886
  3. 3. United Airlines, (UA) 703
  4. 4. Delta Air Lines, (DL) 597
  5. 5. Air Canada (AC) 253

Top destinations

  1. 1. 🇺🇸 Chicago (ORD) 1,345
  2. 2. 🇺🇸 Atlanta (ATL) 736
  3. 3. 🇺🇸 Dallas-Fort Worth (DFW) 594
  4. 4. 🇺🇸 New York (LGA) 404
  5. 5. 🇺🇸 Minneapolis (MSP) 401

Frequently asked

What's the busiest hour for departures at STL?
Departures from St Louis Lambert International Airport peak at 08:00 local time, averaging 36.8 flights per hour over the past 60 days.
What's the quietest hour to fly out of STL?
The quietest hour with regular service is 01:00 local time, averaging 1 flights per hour.
Which airline operates the most flights from STL?
Southwest Airlines (WN) is the largest operator at St Louis Lambert International Airport, with 3027 observed departures in the past 60 days.
What's the most popular destination from STL?
Chicago (ORD) is the most-flown destination, with 1345 observed departures in the past 60 days.

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