STL to LGB flight delays & on-time performance
Nonstop flights from St. Louis Lambert International Airport to Long Beach International Airport · 1,581 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at STL or LGB right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from St. Louis (STL) to Long Beach (LGB) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10am did best (94% on time); around 4pm did worst (63%).
- Wednesday was the most reliable day to fly (100% on time) and Sunday the least (62%).
- The largest source of delay minutes was late-arriving aircraft (72%).
Which airline is most on time from STL to LGB?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 75% | 0.0% | 15 min | 4.8% | 84 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am94%18 flights
- 1pm68%19 flights
- 4pm63%32 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday62%0.0% cancelled
- Tuesday92%0.0% cancelled
- Wednesday100%0.0% cancelled
- Thursday69%0.0% cancelled
- Friday77%0.0% cancelled
- Saturday50%0.0% cancelled
- Sunday62%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft72%
- Airline (crew, maintenance, cleaning, fueling)21%
- Air traffic control & airport congestion5%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
STL to LGB: common questions
- How often are STL to LGB flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from St. Louis to Long Beach cancelled?
- 0.0% of scheduled flights were cancelled (0 of 84).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 4.8% of flights were an hour or more late.
- How long is taxi time at STL?
- Flights on this route spent 11 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LGB to STL — 89% on time
More flights from St. Louis
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: STL → LGB, nonstop flights by US airlines that report to the DOT. How we calculate this.