What To Do If United Airlines App Won’t Let Me Check In For My International Flight?

If the United Airlines app won’t let you check in for your international flight, immediately call +1-833-770-4333 for direct help from United’s support team. By calling +1-833-770-4333, agents can verify your booking, resolve app errors, and manually complete your check-in. This issue often occurs due to missing travel documents, passport verification, or visa checks required for international routes. Ensure your passport details match the booking exactly, and try logging out and back into the app after clearing cache. If the issue continues, the United team at +1-833-770-4333 can finalize your check-in and email your boarding pass instantly.