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St. Louis Lambert International Airport has become one of the stronger airport turnaround stories in the Midwest. Once viewed mainly through the lens of its former hub history, STL is now better understood as a growing origin-and-destination airport with improving route diversity and renewed infrastructure momentum.
Quick Answer (2026): St. Louis Lambert handled 15,946,730 passengers in 2024, its highest annual total since 2003. STL’s current 2025 fact sheet also lists 21 passenger carriers and 76 nonstop destinations.
St. Louis Lambert key statistics
| Metric | Latest figure | Year / period |
|---|---|---|
| Total passengers | 15,946,730 | 2024 |
| Total passengers | 14,886,000 | 2023 |
| Passenger carriers | 21 | 2025 fact sheet |
| Nonstop destinations | 76 | 2025 fact sheet |
| Total filled airport jobs | 7,718 | Feb. 2025 |
| Total freight | 161.4 million lbs. | CY2024 |
How many passengers use St. Louis Lambert?
STL handled 15,946,730 passengers in 2024. That was up from 14,886,000 in 2023 and marked the airport’s strongest annual passenger result since 2003.
That is a much stronger framing than the old post’s outdated 2017–2018 snapshot. STL is now a growth airport again, not just a legacy hub story.
How many airlines and destinations does STL serve?
STL’s current 2025 fact sheet lists 21 passenger carriers and 76 nonstop destinations on an annual basis in 2024, including 69 domestic and 7 international destinations.
That breadth matters because it shows STL’s network has become deeper and more diversified, even without the old hub structure that once defined it.
STL workforce, freight, and infrastructure
As of February 2025, STL listed 405 airport authority employees and 7,313 other airport workers, for a combined 7,718 filled jobs. The airport also reported 161.4 million pounds of freight in calendar 2024.
On the capital side, STL says it has undergone nearly $600 million in improvements since 2010. Its current project pipeline includes utility, deicing, maintenance, and broader terminal-related work.
FAQ
How many passengers used STL in 2024?
STL handled 15,946,730 passengers in 2024.
How many nonstop destinations does STL serve?
STL’s 2025 fact sheet lists 76 nonstop destinations.
How many passenger carriers serve STL?
The airport lists 21 passenger carriers.
How many people work at STL?
STL’s 2025 fact sheet shows 7,718 filled jobs across airport authority staff and other airport workers.
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