KARACHI, Nov 05: Due to the weather conditions (dense fog and smog) prevailing in the country, some PIA flights on Saturday were affected while the timing’s of some domestic flights for Sunday have been revised, with cancelletion a few others, a PIA spokesman said on Saturday. Six domestic flights, including PK 390, PK391, PK 536 and PK 537 for sectors Karachi -Sukkur-Islamabad -Sukkur- Karachi and PK 582 and PK 583 Karachi -Rahim Yar Khan-Karachi, were cancelled. The flight for the sector Lahore-Rahim Yar Khan-Abu Dhabi was rescheduled to operate directly i.e. from Lahore to Abu Dhabi while flight PK 588 for the sector Karachi-Bahawalpur was operated as Karachi-Islamabad. The timings of some domestic flights operating on Sunday have been revised due to weather conditions as follows: PK 302 for the sector Karachi-Lahore will operate with an expected delay of one hour, PK 341 and PK 342 for the sectors Karachi-Faisalabad-Karachi will be operated as Karachi- Lahore -Karachi on the same timings, PK 536 and PK 537 for the sector Karachi-Moenjodaro- Sukkur- Karachi have been cancelled. PK 650 and PK651 for the sector Lahore-Islamabad-Lahore will now operate with a delay of two hours whereas PK 651 and 652 for the sector Lahore-Rahim Yar Khan–Lahore has been cancelled. PK 652 will operate Lahore-Islamabad as per normal timings, PK 580 and PK 581 for the sector Karachi-Multan-Karachi is expected to operate with a delay of more than four hours while PK 503 and PK 504 for the sector Karachi-Gwadar-Karachi is also expected to operate with a delay due to weather. The Pakistan International Airlines (PIA) spokesman said the weather condition was expected to prevail for next few days, which was beyond the control of the airline. The PIA had to adjust the timings of its flights due to such weather conditions, as flights could not be operated due to poor visibility keeping in view the safety requirements, he added. He said the passengers were being informed by PIA Call Centre. However, the passengers could also confirm the revised timings of their flights before reaching airports from PIA Call Centre at 111-786-786.