A flight from Tel Aviv to Vienna made an emergency landing in Sofia on Sunday evening after a bomb threat was reported on board, according to Bulgarian state broadcaster BNT, which cited the country's transport ministry.

The aircraft, an Airbus A320 carrying 51 passengers and six crew, was escorted by a Bulgarian air force fighter jet before landing safely in the Bulgarian capital. A crew member had reported receiving the threat, and the defence ministry confirmed that jets were scrambled in response. The airline operating the route has not been named.

The diversion comes amid a stretch of unsettling incidents on flights touching Israel. Last month, a flydubai flight from Dubai to Tel Aviv turned into every flyer's worst scenario: a co-pilot attacked the captain with a crash axe while the plane was in Saudi airspace. Captain Smit Machchhar, speaking from a hospital bed in Abu Dhabi, described blocking axe blows aimed at his head while reaching for the cockpit door knob and screaming for his colleagues. The aircraft plunged 16,000 feet in about 30 seconds before crew members overpowered the attacker — an Omani national, who was later transferred to the UAE. Two other pilots on board landed the plane safely in Saudi Arabia. The UAE attorney general has characterised the episode as an attempted suicide attack aimed at crashing the aircraft into Ben Gurion Airport.

For anyone with flights to or from Israel booked in the coming weeks, these stories are worth registering without over-reading. Emergency diversions of this kind are handled by well-rehearsed procedures — the Sofia landing ended without reported injuries, and the flydubai aircraft was brought down safely despite extreme circumstances. What they do illustrate is how seriously European and Middle Eastern aviation authorities treat threats against Israel-linked routes: fighter escorts, priority landings and rapid inter-ministry coordination are now standard responses.

Practically, the takeaway is mundane but useful. Check your airline's notifications before heading to the airport, keep essential medication and documents in your hand luggage rather than checked bags (a diversion can mean hours on the ground in an unplanned city), and build slack into any same-day connections. Travel insurance that covers delay and diversion costs is worth having on routes where security-related disruption is more likely.

If you do find yourself grounded in Sofia unexpectedly, it's a far better contingency stop than most: a compact centre with Roman ruins, thermal springs and a monastery day trip within reach.

Story first reported by The Independent Travel.