A communication service monitoring system comprising: one or more network communication devices onboard a first vehicle; and control circuitry onboard the first vehicle configured to: receive communication service data from the one or more network communication devices, wherein the communication service data is related to a communication service provided onboard the first vehicle ; monitor performance of the communication service provided onboard the first vehicle by monitoring the communication service data; in response to receiving the communication service data, automatically detect, based at least in part on the received and monitored communication service data, an expected future performance issue related to the communication service; generate a message comprising a description of the expected future performance issue; establish a network connection with each of one or more service access devices onboard the first vehicle, wherein the network connection is established via at least one of the one or more network communication devices; and transmit the message, via the network connection, prior to the expected future performance issue, to a first service access device of the one or more service access devices. one or more network communication devices onboard a first vehicle; and control circuitry onboard the first vehicle configured to: receive communication service data from the one or more network communication devices, wherein the communication service data is related to a communication service provided onboard the first vehicle ; monitor performance of the communication service provided onboard the first vehicle by monitoring the communication service data; in response to receiving the communication service data, automatically detect, based at least in part on the received and monitored communication service data, an expected future performance issue related to the communication service; generate a message comprising a description of the expected future performance issue; establish a network connection with each of one or more service access devices onboard the first vehicle, wherein the network connection is established via at least one of the one or more network communication devices; and transmit the message, via the network connection, prior to the expected future performance issue, to a first service access device of the one or more service access devices. receive communication service data from the one or more network communication devices, wherein the communication service data is related to a communication service provided onboard the first vehicle ; monitor performance of the communication service provided onboard the first vehicle by monitoring the communication service data; in response to receiving the communication service data, automatically detect, based at least in part on the received and monitored communication service data, an expected future performance issue related to the communication service; generate a message comprising a description of the expected future performance issue; establish a network connection with each of one or more service access devices onboard the first vehicle, wherein the network connection is established via at least one of the one or more network communication devices; and transmit the message, via the network connection, prior to the expected future performance issue, to a first service access device of the one or more service access devices. <EOS>