Mavlink “Fix type” showing with delay on serial monitor


Hardware details: Pixhawk, Teensy (Arduino)
Below I attached a fragment of my code and there is an issue that the fix type is displaying with delay on the serial monitor. All over my code there is no delay and I just print “millis()” to check the delay and it is varying between 1 to 3 seconds. So, I also get the GPS raw data with the same delay. Is there any solution to fix it?
Below is the code attached. In the code you can see at printing fix value I have a delay.

while (Serial1.available()) {
uint8_t c =;

//Get new message
if (mavlink_parse_char(MAVLINK_COMM_0, c, &msg, &status)) {

  //Handle new message from autopilot
  switch (msg.msgid) {

        mavlink_gps_raw_int_t packet;
        mavlink_msg_gps_raw_int_decode(&msg, &packet);

        gps_raw_lat =;
        // Serial.println(gps_raw_lat);
        gps_lat1 = gps_raw_lat * 0.0000001L;
        //Serial.println(gps_lat1, 5);
        gps_raw_lon = packet.lon;
        gps_lon1 = gps_raw_lon * 0.0000001L;
        fix = packet.fix_type;