Airlines/United States
Is Delta Air Lines safe?
No fatal mainline accident since 1985 (Flight 191, Dallas). World's most profitable airline with massive fleet. Older average fleet age but well-maintained.
A modelled estimate and protected opinion, not a factual safety verdict — informational only, not safety or travel advice, provided as-is. See our terms & disclaimer.
Operator safety tier
Elite
Modelled fatal-accident risk on the order of 1 in 11 million flights.
A model estimate from validated signals (the dominant factor in a flight's safety), not a measurement of this airline's own flight history. IOSA-registered; last fatal accident 1985 (41y ago). Full methodology.
Safety signals
IOSA registeredYes
EU air-safety banNot banned
Last fatal accident1985
Fleet
AllianceSkyTeam
CountryUnited States
Fleet size900 aircraft
Average fleet age15.8 yrs