It's fireball season...

From earthsky.org...
Northern spring – for a few weeks around the March equinox – is a good time to see especially bright meteors, aka fireballs. It’s fireball season — a time of year when bright meteors appear in greater number than usual. In fact, in the weeks around the start of spring, the appearance rate of fireballs can increase by as much as 30 percent, NASA has said

Update: It is an iridium satellite! So much to learn...

From Earthsky.org
It’s the unusual shape of iridium satellites, by the way, that causes them to flare on occasion. They have three polished door-sized antennas, 120° apart and at 40° angles with the main bus. The forward antenna faces the direction the satellite is traveling. The flares come from these antennas.