FlightRecord

Long Beach (LGB) to St. Louis (STL): On-Time Performance

Data through May 2026

Long Beach (LGB) to St. Louis (STL) 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, 90% arrived on time, comfortably above the national average of 78%.

On-time
90%
arrived <15 min late
Avg delay
5 min
completed flights
Cancelled
0.2%
Flights/day
0.40
last 12 months
Duration
3h 32m
scheduled
Distance
1,581 mi

Monthly on-time trend

Monthly on-time percentage for LGB to STL flights50%75%100%June 2024: 83% on-time (30 flights)83Jun 2024July 2024: 87% on-time (31 flights)87August 2024: 90% on-time (31 flights)90September 2024: 87% on-time (30 flights)87Sep 2024October 2024: 81% on-time (31 flights)81November 2024: 100% on-time (29 flights)100December 2024: 90% on-time (31 flights)90Dec 2024January 2025: 83% on-time (31 flights)83February 2025: 93% on-time (28 flights)93March 2025: 100% on-time (31 flights)100Mar 2025April 2025: 90% on-time (30 flights)90May 2025: 100% on-time (31 flights)100June 2025: 90% on-time (30 flights)90Jun 2025July 2025: 84% on-time (31 flights)84August 2025: 93% on-time (27 flights)93September 2025: 85% on-time (26 flights)85Sep 2025October 2025: 90% on-time (30 flights)90November 2025: 100% on-time (1 flights)100

Best time to fly from LGB to STL

Aim for departures around 9 a.m. (96% on-time); avoid 12 p.m. departures (86%).

On-time percentage by scheduled departure hour, LGB to STL8 a.m.: 100% on-time (22 flights)89 a.m.: 96% on-time (110 flights)910 a.m.: 88% on-time (50 flights)1011 a.m.: 93% on-time (81 flights)1112 p.m.: 86% on-time (194 flights)121 p.m.: 88% on-time (25 flights)13scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday88%6 min
Tuesday91%7 min
Wednesday95%3 min
Thursday90%6 min
Friday84%7 min
Saturdaybest96%3 min
Sunday86%6 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft52%
  • Airline operations31%
  • National airspace system15%
  • Weather2%

Frequently asked questions

How often are flights from LGB to STL delayed?
10% of LGB–STL 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 5 minutes.
What is the best time of day to fly from LGB to STL?
Departures around 9 a.m. have the best record (96% on-time), while departures around 12 p.m. have the worst (86%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from LGB to STL?
The scheduled LGB–STL flight time averages 3h 32m over 1,581 miles. Actual arrival times vary — flights on this route land 15+ minutes late 10% of the time.
How often are LGB to STL 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 LGB to STL?
October 2024 was the roughest month in this dataset, with only 81% of arrivals on time. The best was November 2024 at 100%. If your dates are flexible, that 19-point gap is worth planning around.

Based on 509 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.