Delta Air Lines (DAL) Seasonality
Recurring seasonal patterns for DAL — the calendar windows where Delta Air Lines has historically tended to rise or fall, with the win rate (how often it repeated) and average return for each, based on up to 10 years of price history.
DAL's strongest seasonal patterns
| Seasonal window | Direction | Avg return | Win rate | Hold |
|---|---|---|---|---|
| Oct 31 – Nov 21 | Bullish | +7.32% | 100% | 21d |
| Nov 2 – Dec 2 | Bullish | +10.89% | 90% | 30d |
| Oct 31 – Nov 30 | Bullish | +10.75% | 90% | 30d |
| Nov 1 – Dec 1 | Bullish | +9.19% | 90% | 30d |
| Nov 3 – Nov 24 | Bullish | +7.87% | 90% | 21d |
| Nov 2 – Nov 23 | Bullish | +7.80% | 90% | 21d |
| Oct 31 – Nov 10 | Bullish | +7.19% | 90% | 10d |
| Oct 23 – Nov 13 | Bullish | +6.74% | 90% | 21d |
| Nov 1 – Nov 22 | Bullish | +6.62% | 90% | 21d |
| Nov 2 – Nov 12 | Bullish | +6.24% | 90% | 10d |
| Nov 1 – Nov 11 | Bullish | +5.83% | 90% | 10d |
| Nov 3 – Nov 13 | Bullish | +5.73% | 90% | 10d |
Win rate = how often the pattern repeated in the same direction. Average return = the mean move across all analysed years. Past performance does not guarantee future results.
Explore DAL seasonality in full
See the seasonal curve chart, filter by win rate and return, and track upcoming windows — free during beta.
What is DAL stock seasonality?
Stock seasonality is the tendency of a stock to perform in a similar way during the same period each year. By analysing Delta Air Lines's price history across many years, SeasonalityX identifies recurring calendar windows — exact start and end dates — where DAL has repeatedly risen (bullish) or fallen (bearish). Each pattern is scored by its win rate and average return so you can judge how reliable and how strong it has been.
Seasonality is one input among many — it works best alongside your own research and risk management. Learn more in our guide to seasonal analysis and the tutorials.