ATL → SAN Delta Air Lines

Delta Air Lines · Atlanta, GA to San Diego, CA · 2,172 flights, 2025-07-01 to 2026-06-30 · aggregated across 13 flight numbers

This route's scheduled flight time has grown by 12 min since 2025-07 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.
On-time arrival
79%
Median delay
-2 min
90th percentile
+36 min
Cancellation rate
1%

How on-time is Delta Air Lines from ATL to SAN?

Across every Delta Air Lines flight number on ATL → SAN (2,172 flights, 2025-07-01 to 2026-06-30), 79% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +36 min or later. 1% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1,70179%
16-30 min1979%
31-60 min1427%
61-120 min784%
2+ hrs241%

Performance by month

MonthFlightsOn-timeAvg delay
2025-0719772%+16 min
2025-0819880%+5 min
2025-0918480%+10 min
2025-1019881%+5 min
2025-1118582%+1 min
2025-1217974%+10 min
2026-0114979%+3 min
2026-0213981%-5 min
2026-0317386%-8 min
2026-0417881%+0 min
2026-0518578%+3 min
2026-0617781%+4 min

Performance by day of week

DayFlightsOn-time
Mon31878%
Tue30483%
Wed29786%
Thu30674%
Fri31577%
Sat28682%
Sun31677%

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…