Historical on-time performance
New York to St. Louis
Flights on LGA–STL arrive on time 72% of the time over the last 12 months.
based on 2,631 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- Republic AirwaysOn-time72%Medianon timep9055 minCancel5.8%Flights1,245
- Southwest AirlinesOn-time71%Medianon timep9055 minCancel2.9%Flights1,386
Why flights run late
Delay causes
- Airline20%
- Weather5%
- Air traffic (NAS)24%
- Late aircraft51%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline22%
- Weather44%
- Air traffic (NAS)34%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 112 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LGA → STL
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 88% on time.
- Mornings88% on time · p90 10 min · 2,619 flights
- Middays84% on time · p90 25 min · 2,920 flights
- Afternoons72% on time · p90 50 min · 2,026 flights
- Evenings66% on time · p90 75 min · 2,242 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 83% on time.
- Saturdays83% on time · p90 30 min · 725 flights
- Wednesdays81% on time · p90 35 min · 1,561 flights
- Thursdays80% on time · p90 35 min · 1,559 flights
- Tuesdays79% on time · p90 40 min · 1,563 flights
- Mondays76% on time · p90 40 min · 1,558 flights
- Fridays76% on time · p90 50 min · 1,564 flights
- Sundays75% on time · p90 40 min · 1,338 flights
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