Delta Air Lines has an overall on-time arrival rate of 82%. The most common passenger complaint is flight_problems. Delta Air Lines ranks #3 out of 14 U.S. airlines for reliability.
Source: Bureau of Transportation Statistics. Updated July 2026.DL
Delta Air Lines
Lands on time
82%
When late
~75 min
Cancelled
1.4%
Flights tracked
2,001,759
Delta Air Lines is pretty reliable as airlines go. About 82% of their flights land on time. When they don't, you're usually waiting around 75 minutes. The biggest reason? carrier.
About 4.1 out of every 100k passengers file a formal complaint. The thing people complain about most: flight_problems.
Busiest Delta Air Lines routes
ATL → MCOAtlanta – Orlando
71%on time
MCO → ATLOrlando – Atlanta
77%on time
ATL → LGAAtlanta – New York
78%on time
LGA → ATLNew York – Atlanta
81%on time
ATL → TPAAtlanta – Tampa
75%on time
TPA → ATLTampa – Atlanta
80%on time
ATL → FLLAtlanta – Fort Lauderdale
74%on time
FLL → ATLFort Lauderdale – Atlanta
78%on time
ATL → LAXAtlanta – Los Angeles
79%on time
LAX → ATLLos Angeles – Atlanta
81%on time
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Data last updated July 2026. Source: Bureau of Transportation Statistics.