Forecasting U.S. domestic flight volume with a seasonal ARIMAX model
Monthly arrivals are seasonal, capital planning is not. A model that carries the seasonal structure forecasts ten held-out months to within 1.72%; the same model without it misses by twice as much — and fails its residual diagnostics outright.
- Out-of-sample MAPE
- 1.72%
- Control model
- 3.47%
- Observations
- 178 monthly
- Period
- 2010–2024