Based on user-generated feedback, Delta has been reported to have issues with customer service, including incidents where staff have been perceived as rude or unhelpful. American Airlines also has a poor reputation, with users expressing frustration with the airline's overall attitude towards customers. Both airlines have significant room for improvement in customer service, but specific experiences may vary.

Delta has specific user-generated feedback indicating negative experiences when requesting upgrades, with reports of staff being unkind or dismissive. There is no similar feedback available for American Airlines regarding upgrades, but its overall reputation also suggests potential issues. Therefore, Delta may have a slightly worse reputation in this particular aspect based on available comments.

Currently, there are no user-generated pros and cons for Delta.

Delta is an airline company. According to the description provided, it is noted as 'Because life is a nightmare.' For more information, you can visit their website at delta.com.

Yes, you can request an upgrade on Delta flights. However, it may not always be granted. According to a user comment, asking for an upgrade resulted in a negative experience where they were told they were entitled and ended up crying in economy class.

American Airlines is a major American airline headquartered in Fort Worth, Texas. It is one of the largest airlines in the world in terms of fleet size, revenue, and number of destinations served.

Currently, there are no user-generated pros and cons for American Airlines. However, some general pros could include a large network of destinations and frequent flyer programs, while cons might include occasional customer service complaints and flight delays.

American Airlines offers a variety of services including domestic and international flights, frequent flyer programs, in-flight entertainment, and various classes of service such as Economy, Premium Economy, Business, and First Class.

You can book a flight with American Airlines through their official website, mobile app, or by contacting their customer service. You can also book flights through travel agencies and online travel booking platforms.

The AAdvantage program is American Airlines' frequent flyer program. Members can earn miles by flying with American Airlines and its partners, as well as through everyday activities like shopping and dining. These miles can be redeemed for flights, upgrades, and other rewards.