Southwest Airlines Forces Gate-Checking of Carry-Ons

Algorithm-Driven Decision Making

Southwest Airlines passengers at San Diego International Airport were left frustrated on May 17, 2026, after being told to gate-check their carry-on bags despite available space.

The airline's policy is to allow passengers to bring two free carry-on bags on board, but on this occasion, flight attendants cited the algorithmas the reason for the gate-checking.

Is the Algorithm Always Right?

A flight attendant explained that the decision to gate-check bags was made based on an algorithm that assesses various factors, including passenger numbers and aircraft configuration. The exact parameters used by the algorithm are unclear.

Passengers were reportedly upset as they had to check their bags at the gate, despite seeing available space in the overhead bins. One passenger expressed disappointment, stating that they had been looking forward to keeping their bag with them.

The incident raises questions about the reliability of the algorithm used by Southwest Airlines to determine whether to gate-check bags. It's unclear whether the algorithm takes into account real-time data on available space.

Frequently Asked Questions

The gate-checking of bags caused inconvenience to passengers, who had to wait to collect their bags after the flight. The incident may lead to a review of the airline's bag-checking policy.

Q: What is the algorithmused by Southwest Airlines? A: The algorithm assesses various factors to determine whether to gate-check bags. The exact parameters are unclear. Q: Can passengers avoid gate-checking their bags? A: Passengers can try to avoid gate-checking by checking with the airline beforehand or traveling with fewer bags. Q: Will Southwest Airlines review its bag-checking policy? A: The incident may prompt a review of the policy, but no official statement has been made.