In 2026, most Delta Air Lines eCredits are valid for one year from the date of the original ticket issuance. This is a critical distinction, as many travelers mistakenly believe the clock starts on the day they cancel their flight. For example, if you purchased a ticket on March 3, 2025, and cancelled it on January 1, 2026, your eCredit would typically expire on March 3, 2026. However, Delta occasionally offers waivers for specific disruptions, such as international conflicts or health crises, which can extend validity to December 31 of a given year. For 2026, if Delta itself initiates a significant schedule change or cancellation of your flight, you may be eligible for a refund to your original payment method or an eCredit with a longer validity period (up to 5 years in some specialized cases). You can check your specific expiration date by logging into your SkyMiles account or using the "Find Your eCredit" tool on Delta's website using your 13-digit ticket number.