St. Louis (STL) to Long Beach (LGB): On-Time Performance
Data through May 2026
St. Louis (STL) to Long Beach (LGB) is a thinner route than most in this dataset — 145 departures over the past year, roughly 3 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 81% arrived on time.
- On-time
- 81%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 0.2%
- Flights/day
- 0.40
- last 12 months
- Duration
- 3h 58m
- scheduled
- Distance
- 1,581 mi
Monthly on-time trend
Best time to fly from STL to LGB
Aim for departures around 10 a.m. (93% on-time); avoid 4 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 11 min |
| Tuesday | 81% | 10 min |
| Wednesdaybest | 92% | 5 min |
| Thursday | 78% | 13 min |
| Friday | 81% | 14 min |
| Saturday | 76% | 12 min |
| Sunday | 77% | 15 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft62%
- Airline operations28%
- National airspace system8%
- Weather3%
Frequently asked questions
- How often are flights from STL to LGB delayed?
- 19% of STL–LGB flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from STL to LGB?
- Departures around 10 a.m. have the best record (93% on-time), while departures around 4 p.m. have the worst (71%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from STL to LGB?
- The scheduled STL–LGB flight time averages 3h 58m over 1,581 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
- How often are STL to LGB flights cancelled?
- 0.2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from STL to LGB?
- September 2025 was the roughest month in this dataset, with only 69% of arrivals on time. The best was February 2025 at 93%. If your dates are flexible, that 24-point gap is worth planning around.
Explore related pages
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Based on 509 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.