DL1559
Delta Air Lines flight 1559 — Los Angeles (LAX) to San Francisco (SFO)
On time
77%
Avg delay
~70 min
Cancelled
1.2%
DL1559 is fairly reliable, though delays happen. About 77% of departures arrive on time. When delays happen, the most common cause is late-arriving aircraft.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 50% | 0.0% | 72 min |
| 2026-07 | 52% | 0.0% | 117 min |
| 2026-06 | 63% | 0.0% | 48 min |
| 2026-06 | 54% | 0.0% | 48 min |
| 2026-05 | 59% | 6.5% | 62 min |
| 2026-05 | 63% | 7.7% | 73 min |
| 2026-04 | 43% | 0.0% | 44 min |
| 2026-04 | 47% | 0.0% | 119 min |
| 2026-03 | 87% | 3.2% | 113 min |
| 2026-03 | 93% | 3.2% | 182 min |
| 2026-02 | 64% | 0.0% | 57 min |
| 2026-02 | 67% | 0.0% | 54 min |
Top delay cause
late-arriving aircraft
Based on 2,184 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.