Flight OddsDL1521 SNA → ATL
Delta Air Lines · Santa Ana, CA to Atlanta, GA · 56 flights observed, 2026-01-05 to 2026-06-30 · 1,919 mi
DL1521 covers more than one route in the data window — the stats below are for SNA → ATL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-20 min
90th percentile
+11 min
Cancellation rate
2%
How often is DL1521 on time?
Across 56 flights on SNA → ATL from 2026-01-05 to 2026-06-30, DL1521 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -20 min, and the worst 10% of flights arrived +11 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 49 | 91% |
| 16-30 min | 1 | 2% |
| 31-60 min | 1 | 2% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 14 | 100% | -20 min |
| 2026-02 | 5 | 100% | -25 min |
| 2026-04 | 10 | 100% | -29 min |
| 2026-05 | 3 | 100% | -29 min |
| 2026-06 | 22 | 77% | +15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 100% |
| Tue | 4 | 75% |
| Wed | 3 | 67% |
| Thu | 10 | 90% |
| Fri | 11 | 100% |
| Sat | 3 | 67% |
| Sun | 10 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…