Long Beach, CA

What the Data Says About LGB

Long Beach, CA in Long Beach, California handled 174,755 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 83.2% on-time departure rate. Of those flights, 29,272 experienced delays, 1,378 were cancelled, and 140 were diverted. The cancellation rate works out to 0.79%, the diversion rate to 0.08%, and the average delay when departures run late is 56.7 minutes. These figures are the baseline for comparing LGB against other airports in the same state and nationally.

Breaking down what drives delays at LGB, Late Aircraft leads the pack. Late Aircraft accounts for 49.4% of total delay minutes, followed by Carrier at 30.8% and NAS (National Aviation System) at 15.6%. Weather contributes 4.0% of delay minutes at this airport, while security holds the smallest share at 0.2%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, February runs the cleanest at LGB with a 93.3% on-time rate, while July is the roughest at 89.3% — a 4-point swing between best and worst month. Volume peaks in March, when average flights hit 2,673. The busiest route from LGB is to LGB (Long Beach), with 11,012 flights at a 78.8% on-time rate. Combine these numbers — 83.2% on-time, 56.7-minute average delay, 0.79% cancellation rate — and you have a concrete picture of departure reliability at Long Beach, CA.