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Two planes with same callsign avoid collision thanks to ATC
Posted on 8/17/26 at 3:00 pm
Posted on 8/17/26 at 3:00 pm
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If tweet fails to load, click here. Incredibly quick thinking from air traffic control there. You could hear him lock in once he realizes what's going on and start assigning them arrival and departure suffixes.
Posted on 8/17/26 at 3:04 pm to Ingeniero
glad their wasnt a dei involved
Posted on 8/17/26 at 3:04 pm to Ingeniero
Sounds like someone who’s fully qualified for his job, being hired 25 years ago. Hope he never retires.
Posted on 8/17/26 at 3:07 pm to Ingeniero
Being able to have the same call sign seems like a major incident waiting to happen. I know Railroad locomotives are unique - there are no repeats.
Posted on 8/17/26 at 3:13 pm to dome53
Usually the incoming flight is the same plane on the outgoing departure flight when it's city to / city return. The incoming might have been severely delayed and AA had another plane they could put into service.
Posted on 8/17/26 at 3:17 pm to HubbaBubba
Apparently AA runs the same callsign on this route in both directions since it's hub to hub. Makes zero sense since these aren't always going to be turns made by the same plane.
Posted on 8/17/26 at 3:25 pm to Ingeniero
Good thing they are hiring all these gamers for ATC
Sarcasm Off.
Sarcasm Off.
Posted on 8/17/26 at 3:25 pm to Ingeniero
It happened to me before. Two blue streaks (JIA) both CLT arrivals. An automation failure is what tipped me off to it. Could have been bad
Posted on 8/17/26 at 3:36 pm to theliontamer
quote:Christ
glad their wasnt a dei involved
Posted on 8/17/26 at 3:38 pm to Ryan3232
quote:
Christ
sounds like He may have been involved
Posted on 8/17/26 at 3:42 pm to HubbaBubba
quote:
Usually the incoming flight is the same plane on the outgoing departure flight when it's city to / city return. The incoming might have been severely delayed and AA had another plane they could put into service.
Makes sense but you would think there would be some kind of protocol to change the number
Posted on 8/17/26 at 8:26 pm to LSUFanHouston
quote:Good question for the FAA, actually, and some reporter should have asked that question, already.
Makes sense but you would think there would be some kind of protocol to change the number
Posted on 8/17/26 at 8:41 pm to LSUFanHouston
They normally do, they put a letter at the end, but evidently the route planner missed this.
Posted on 8/17/26 at 9:17 pm to Saintsisit
quote:
They normally do, they put a letter at the end, but evidently the route planner missed this.
Is that the FAA or the airline?
Posted on 8/17/26 at 9:24 pm to LSUFanHouston
I believe the airline, here's the rule.
quote:
Safety Rules (The Same-Call-Sign Trap): Dispatchers must ensure that the return leg under that flight number does not overlap in the air with the incoming leg. For example, if the incoming plane is heavily delayed and a different plane is swapped in to fly the return leg on time, both planes cannot be airborne at the same time using the exact same flight number. If they overlap, Dispatch must issue a sub-letter or modified call sign (e.g., American 2482 Alpha) to one of the aircraft to prevent a dangerous dual call-sign collision on ATC frequencies. [1, 2]
Posted on 8/17/26 at 9:46 pm to HubbaBubba
quote:
The incoming might have been severely delayed and AA had another plane they could put into service.
That's what I read. Any plane flying from Ohare late in the day tends to get delayed so I am a little surprised AA has the same number for ORD-PHX and again PHX-ORD. They're both hubs so pretty easy for AA to just swap planes if the inbound is delayed given the return is the redeye. I'm aware of the usual 'Put a letter at the end of the call sign' trick to make one flight slightly different from another.
I don't know if it was on 8/12, but this timing fits. Inbound flight left ORD late and landed in PHX at 1213am. LINK
Return flight PHX-ORD left PHX at 1141pm and in the air by 1159pm LINK
Follow up question- Does AA or the other airlines like DL/UA have enough room in their flight numbers to give every flight their own number? I'd guess yes but I wouldn't know until looking at all flight totals
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