UA316 DUB-EWR 752 cancelled due to maintenance after a 7 hr 56 min delay.
UA672 SFO-BCN 772 cancelled due to maintenance after a 3 hr 10 min delay. Return UA673 BCN-SFO on 7/22 cancelled as a result.
UA990 SFO-CDG 772 cancelled due to maintenance after an anticipated 5 hr 50 min delay. Return UA984 CDG-SFO on 7/22 cancelled as a result.
UA2083 UIO-IAH 38M cancelled due to software outage after an anticipated 23 hr 5 min delay.