Snippet to display WooCommerce Shipment Tracking last live status on WooCommerce->Order page. Display only for UPS, USPS and FedEx. WooCommerce Shipment Tracking Pro - https://www.pluginhive.com/product/woocommerce-shipment-tracking-pro/

functions.php

/**
 * Snippet to display last live tracking status on woocommerce->Order page. Display only for UPS, USPS and FedEx.
 * Created at : 20 July 2018
 * Updated at : 20 July 2018
 * PluginHive Plugins : https://www.pluginhive.com/plugins/
 * Gist Link : https://gist.github.com/xadapter/9fa56cff0857bcb71b7bd49d2101cacd
 */

// Add columns to the order list
add_filter( 'manage_edit-shop_order_columns', function($columns) {
	$new_columns = array();
	   foreach ( $columns as $column_name => $column_info ) {
	       $new_columns[ $column_name ] = $column_info;
	       if ( 'shipping_address' == $column_name ) {
	           $new_columns['ph_tracking_status'] = __( 'Tracking Status' );
	       }
	   }
	   return $new_columns;
} );

// Add data for the added columns
add_action( 'manage_shop_order_posts_custom_column', function( $column ) {
	global $post;
	if ( 'ph_tracking_status' == $column ) {
		$data = get_post_meta( $post->ID, 'wf_wc_shipment_result', true);
		if( !empty($data['tracking_info_api']) && is_array($data['tracking_info_api']) ) {
			foreach( $data['tracking_info_api'] as $details ) {
				if( ! empty($details['api_tracking_status']) )
					echo $details['api_tracking_status'].'<br/>';
			}
		}
	}
} );