UA21 AMS-IAH 763 diverted to DFW due to weather. Flight arrived at IAH 11 hrs 26 mins late.
UA69 ARN-EWR 752 cancelled due to maintenance after a 7 hr 50 min delay.
UA130 HND-EWR 772 cancelled due to maintenance after a 8 hour delay.
UA242 IAD-NCE 763 cancelled due to maintenance after a 7 hr 40 min delay. Flight will continue to NCE as UA3012 departing on 7/10. Return UA243 NCE-IAD on 7/10 cancelled as a result. Flight will continue to IAD as UA3014 departing on 7/11.
UA321 IAD-VCE 763 cancelled due to Italy ground handler strike after a 4 hr 45 min delay. Return UA322 VCE-IAD on 7/10 cancelled as a result.
UA510 EWR-FCO 764 cancelled due to an unexpected operational issue. Replacement flight UA3039 was scheduled at the same time as UA510 with a 763.
UA913 KEF-ORD 752 returned to KEF due to maintenance after 1 hr 2 mins in the air.
UA966 EWR-NAP 763 cancelled due to Italy ground handler strike. Return UA967 NAP-EWR on 7/10 cancelled as a result.
UA983 ATH-IAD 788 diverted to RDU due to weather. Flight will continue to IAD as UA3048 departing on 7/10.
UA996 IAD-ACC 788 cancelled due to an unexpected operational issue after a 15 hr 40 min delay. Replacement flight UA3011 was scheduled 26 hrs 10 mins later than UA996.

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