Can an airline operate a flight on the same route with the same flight number twice in one day?

Question

Can an airline operate with two flights in one day to the same destination with the same flight number for example

DUBAI to MUSCAT ETD 0400Z SSV 221

and

DUBAI MUSCAT ETD 1300Z SSV 221

Are you sure these are for the same day? I've seen lots of cases where eg Airline Flight 123 leaves at 8am on some days, and 2pm others, that's quite normal — Gagravarr, Apr 17 '14 at 15:09
Related: http://travel.stackexchange.com/questions/22888/is-a-flight-number-unique-for-the-schedule-origin-and-destination — DJClayworth, Apr 17 '14 at 16:04
These are not the same flights. 221 is not a flight number. Etihad between Dubai and Muscat operates 3 flights 382, 384, 388. http://flightaware.com/live/findflight?origin=OMAA&destination=OOMS. But if the flight is delayed it can turn out that same flight on the same day leaves at 2 different times. See April 8: http://flightaware.com/live/flight/ETD221 — Karlson, Apr 17 '14 at 17:52
possible duplicate of Can two different planes share the same flight number? — gparyani, Sep 02 '14 at 05:04
No, it's not a duplicate of that question. That question was asking if the same flight number could be on a different aircraft on different days of the week (to which the answer is "Yes, and it often or usually is.") — reirab, Sep 18 '14 at 13:43

score 5 · Answer 1 · answered May 10 '14 at 15:43

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These are not the same flights.

221 is not a flight number. Etihad between Dubai and Muscat operates 3 flights 382, 384, 388. But if the flight is delayed it can turn out that same flight on the same day leaves at 2 different times. See April 8: flightaware.com/live/flight/ETD221

answered May 10 '14 at 15:43

Karlson

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+1 Good catch! I am wondering what SSV 221 means, now… – Relaxed May 10 '14 at 17:02
The flight doesn't actually have to be delayed to leave at different times on different days. Many flights are actually scheduled that way (where they leave at one time on certain days of the week and another time on other days of the week.) Here's a current example from Cathay Pacific. CX920 leaves at 12:25 pm Tues, Wed, Thurs, and Sat and 8:05 pm Fri, Sun, Mon. – reirab Sep 18 '14 at 13:59
@reirab The issue is the same flight number leaving to the same destination at different times on the same day. – Karlson Sep 18 '14 at 14:23
@Karlson Ah, right. Sorry, I misread your answer. – reirab Sep 18 '14 at 14:25
A very long time ago, but thought it worth remarking that SSV is probably a codeshare with ETD. SSV is (or was, at least) the 3 character ICAO for the now-defunct "Skyservice Airlines Inc.": https://www.census.gov/foreign-trade/reference/codes/aircarrier/ac2.txt and https://www.avdelphi.com/airline.html?id=8404 have more details. – Chris Woods Feb 10 '20 at 18:02

score 4 · Answer 2 · answered Mar 18 '15 at 10:19

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I think according to IATA standard no flights should operative using the same flight number on the same day. If the flight is delayed by a day, the flight number should be changed by adding a suffix D like XX1234 to XX1234D.

answered Mar 18 '15 at 10:19

Mohan

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Sounds reasonable. BTW, did you have a chance to see it written formally somewhere? I'd be interested in a link. – Alexander Pozdneev Mar 07 '19 at 10:59

Can an airline operate a flight on the same route with the same flight number twice in one day?

2 Answers2