A Delta Air Traces (DL) flight attendant unintentionally deployed an emergency evacuation slide on an Airbus A220 at Pittsburgh Worldwide Airport (PIT) on Saturday night (October 25, 2025).
This led to damages estimated at round $70,000, Aviation Z2Z report claimed. The flight wound up additionally obtained delayed by 4 hours, from 5:30 pm to 9:11 pm.
What precisely occurred?
The 1L boarding door was opened whereas armed, so the slide auto‑deployed onto the ramp.
The crew member, a veteran with 26 years of expertise, mistakenly lifted the door deal with after arming it for departure, triggering the automated deployment of the ahead left-hand slide — the identical door used for the jetbridge connection.
Because the plane ready for pushback, flight attendants armed the doorways in step with normal pre-departure procedures.
The ahead crew member then “unintentionally” raised the door deal with whereas the system was armed, activating the emergency energy help operate, the report added.
As soon as engaged, the mechanism routinely forces the door open and deploys the slide inside seconds, leaving no time to cease the method.
The deployment induced an operational standstill.
The price of the error
Emergency evacuation slides are expensive parts, with replacements for smaller jets just like the A220 sometimes priced between $50,000 and $70,000, the report claimed.
Moreover, repacking and repairing can price $20,000 whereas the entire occasion price to the operation, together with motels, crew, and repositioning, could be a six determine expense.
Passengers had been trapped
Because the slide inflated straight towards the jetbridge, passengers had been quickly trapped onboard till engineers manually indifferent the slide and reconnected the bridge.
It then took “about an hour” to disconnect and take away the slide. In the meantime, a flight attendant apologised saying that in her “26‑12 months profession, by no means occurred.”
A Reddit submit claimed, “The flight attendant unintentionally triggered the emergency slide…He did apologize and was fairly flustered, cited over the 26 years of profession, it by no means occurred. Can somebody clarify how although? Shouldn’t or not it’s one thing with fairly a security verify for making this type of mistake?”
Quite a few passengers then misconnected in Salt Lake Metropolis and obtained caught spending the evening there, though some would have wound up getting re-booked particularly by Atlanta, one other report stated.
Understanding Inadvertent Slide Deployments (ISDs)
ISDs are unusual however not uncommon.
Airbus information from earlier years recommended a mean of as much as three inadvertent deployments per day throughout the worldwide fleet.
Most happen through the disarming section after touchdown when crew members put together to open doorways for arrival.
Regardless of strict cross-check procedures meant to catch such errors, errors nonetheless occur—significantly at stations the place one flight attendant works alone on the entrance door.
The danger isn’t simply monetary.
An unplanned deployment on arrival may critically injure floor personnel or injury close by gear like jetbridges and repair automobiles. Recognising this, some airways have launched further safeguards.

