Bahrain, Egypt, UAE & Saudi Arabia cut diplomatic ties with Qatar. Qatar aircraft ban
 

Saudi Arabia, Bahrain, UAE and Egypt are accusing Qatar of creating instability in the region and funding terror groups.

Qatari Aircraft will be banned from overflying these countries.

So if Qatari can't overfly KSA and UAE, how are they supposed to maintain their network?

I don't know. Routes such as Athens and Larnaca will be difficult especially as they cannot fly over Iraq and Syria. Will find lots of seat blocking to allow longer flight times.

They're not currently banned from overflying; only into said countries. At the moment.....

Overflights banned from egytptian airspace at the moment

Definitely not good for QR. Expect short term chaos followed by recriminations , apologies then quid pro quo then back to a " new " normal. Meanwhile , expect the Yanks and U.K. to be playing both sides as usual. This has the POTUS's attention , well maybe. The Shia - Sunni proxy kerfuffle continues unabated. All it will take is an unfortunate loss of face incident and the Gulf gets crazy. Oil price likely to skyrocket. Next the Iranians will ban GF and EK. Time for the popcorn.

FR24 seems to indicate ops normal....at the moment...maybe there's a grace period

I think a lot of what has been written here re overflying anywhere can be discoiunted.
As I write, Planefinder shows 10 of Qatar's aircraft overhead Saudi Arabia, 9 overhead UAE, 8 overhead Iraq etc.
1 of those over Saudi is headed for Luxor, Egypt. Others will be routing across Egypt en route to Spain. Those overflying Iraq are mainly bound for Europe, and appear to be routing via Syria.
So, to sum up; nothing is happening with Qatari flights.

be sensible they are not going to close airspace immediatly ? They will have too many issues to resolve by turning aircraft away. It will be 24 hours and then we will see.

They have 48 hours to make the necessary changes to flights to Saudi Arabia and the UAE.

A certain carrier in AUH has ceased flights to Doha from tomorrow

Wouldn't be a good look for Emirates if they didn't follow.

Yep, looks like some A320's inbound to Iraq (BGW, NJF and BSR), an outbound flow over the Kingdom enjoying a view of the red dunes at Ha'il and a conga line (or Congo line here on PPRuNe ;)) going up the western border of Iran. Don't see any QR's over Syria.

A couple of airspace closures could sure mess things up though...

The unmamed Gulf carrier will impliment cuts to kick in at 02:45 LT on the 6th, according to the BBC.

QR contingency Plan to reroute all flights bound to Europe and North America to fly South West over Yamani FIR through HAAB, HSSS, HLLT to the Euro Control points of entry according to QR DOH OPS

Today's SV flights to DOH appear to be cancelled.

Hasn't Yemen joined the 'party'?

Hmmmm, makes one wonder how the Americans will play the Al Udeid card.

Looks like the plan to go through Yemen might come unstuck........

Yemen cuts diplomatic ties with Qatar: state news agency | Reuters

His Excellency Akbar Al Baker is not having a good day.....DOH!

Hmmmm, makes one wonder how the Americans will play the Al Udeid card.

there were noises about closing the base even before this occurred