Table 2 Correlation between arrival fuel load, tailwind components (TWC), relative humidity, sex and age. Separate models were run for both seasons, with each flight path aligned with a coastal destination (Fig. 1)

− 2.415 (− 2.521 to − 2.302)

− 2.405 (− 2.517 to − 2.301)

− 2.411 (− 2.523 to − 2.307)

− 2.413 (− 2.159 to − 2.307)

0.017 (0.009–0.025)

0.003 (− 0.006 to 0.012)

− 0.004 (− 0.012 to 0.005)

− 0.006 (− 0.014 to 0.003)

1.499 (− 0.104 to 3.215)

2.136 (0.592–3.630)

1.887 (0.359–3.516)

1.832(0.290–3.474)

− 0.526 (− 2.089 to 1.033)

1.600 (0.031–3.080)

1.512 (0.064–3.046)

1.445 (− 0.013 to 2.971)

0.078 (− 0.066 to 0.222)

0.071 (− 0.070 to 0.214)

0.073 (− 0.068 to 0.215)

0.073 (− 0.069 to 0.216)

0.517 (0.379–0.654)

0.532 (0.393–0.672)

0.522 (0.385–0.661)

0.517(0.377–0.658)

− 0.229 (− 0.417 to − 0.034)

− 0.230 (− 0.419 to − 0.036)

− 0.231 (− 0.420 to − 0.043)

− 0.227 (− 0.417 to − 0.036)

− 2.199 (− 2.236 to − 2.004)

− 2.042 (− 2.157 to − 1.930)

− 1.985 (− 2.094 to − 1.879)

− 1.970 (− 2.077 to − 1.866)

0.024 (0.014–0.034)

0.017 (0.003–0.030)

− 0.002 (− 0.017 to 0.015)

− 0.011 (− 0.026 to 0.005)

1.518 (− 0.185 to 3.328)

2.135 (0.425–3.999)

2.443 (0.710–4.347)

2.117 (0.394–3.998)

− 1.896 (− 3.685 to − 0.024)

− 0.533 (− 2.290 to 1.232)

− 0.617 (− 2.398 to 1.167)

− 0.245 (− 1.993 to 1.474)

− 0.238 (− 0.394 to − 0.083)

− 0.264 (− 0.422 to − 0.108)

− 0.283 (− 0.438 to − 0.128)

− 0.285 (− 0.441 to − 0.131)