UA118 ORD-EDI 752 cancelled due to weather after a 5 hr 10 min delay. Return UA119 EDI-ORD on 8/2 cancelled as a result.
UA162 EDI-EWR 752 cancelled due to maintenance after a 30 min delay.
UA423 ATH-ORD 788 cancelled due to maintenance today and tomorrow (8/1 and 8/2) due to maintenance. Today's flight was delayed by 1 hr 25 mins and tomorrow's flight would be delayed by 2 hrs 25 mins.
UA525 IAD-AMM 788 cancelled due to Middle East unrest after a 1 hour delay. UA526 AMM-IAD on 8/3 cancelled as a result.
UA912 ORD-KEF 752 returned to gate and cancelled due to weather after a 2 hr 55 min delay. Return UA913 KEF-ORD on 8/2 cancelled as a result.
UA943 LIS-IAD 764 cancelled due to maintenance after a 1 hr 40 min delay.
UA980 ORD-DUB 752 returned to gate and cancelled due to maintenance after a 2 hr 50 min delay. Return UA316 DUB-EWR on 8/2 cancelled as a result.