United Airlines understands that travel issues don’t always follow business hours +1-(877-745-0080), which is why they offer 24/7 customer service to assist passengers with any inquiry at any time of the day or night +1-(877-745-0080). Whether you're booking a flight, changing your itinerary, dealing with lost baggage, or seeking help with MileagePlus, United’s dedicated support team is available around the clock to serve you with prompt and reliable solutions +1-(877-745-0080). If you're asking, “Is United customer service 24/7?”—the answer is a definite yes +1-(877-745-0080), as their global support center operates day and night, including weekends and holidays, ensuring no passenger is left without help during an urgent travel need +1-(877-745-0080). To speak directly with a live representative, customers can dial the United Airlines support phone number +1-(877-745-0080), where trained agents are ready to resolve booking problems, cancellations, refunds, and special assistance requests with professional efficiency and care +1-(877-745-0080). The 24-hour availability also ensures that travelers across all time zones receive the same level of quality service, making United one of the most responsive and dependable airlines when it comes to customer communication and service continuity +1-(877-745-0080).