Considering that waiting and queuing can be a major frustration for travelers, my initial suggestion would be to implement a tiered or zoned boarding system. This would involve grouping passengers for boarding according to factors such as their seat locations on the aircraft. For example, those seated at the back of the plane could board first, which would help alleviate congestion. This approach would significantly cut down on waiting times and expedite the boarding process, enhancing the overall experience for customers. For the airline, this method also decreases turnaround times, resulting in more efficient flight operations, which could potentially boost revenue.