Yes, you can absolutely ask for a first-class upgrade, but in 2026, "free" upgrades based on charm or attire are extremely rare. The best time to ask is at the check-in counter or the gate if you notice the flight isn't full. While gate agents rarely give away seats for free, they often have access to "last-minute" discounted cash or points upgrades that aren't advertised online. A polite, "Are there any operational upgrades or discounted seats available today?" can sometimes reveal a deal for as little as $100–$300. Another strategy is to "volunteer to be bumped" if a flight is oversold; you can often negotiate a business or first-class seat on the next flight as part of your compensation. While the "dress well and be nice" myth still exists, modern upgrades are mostly governed by loyalty status and automated bidding systems, so your best bet is always to check the airline app for an "upgrade bid" 24 hours before your departure.