Skip to main content
35 votes

Would a flight consisting of solely first-class passengers be cancelled due to center-of-gravity issues?

It is much more difficult to load a plane so that the center of gravity ends up being too far forward than too far aft. Excessive weight forward can almost always be counteracted by increased trim on ...
abelenky's user avatar
  • 30.7k
27 votes

Would a flight consisting of solely first-class passengers be cancelled due to center-of-gravity issues?

As has been noted in the previous answer and comments to date, you can compensate (if you need to) for a first class loaded with pax but with the rest of the cabin empty by putting the pax bags in the ...
Terry's user avatar
  • 39.2k
26 votes

Why is the flight duration of the same flight different in different months?

Jet stream is a stream of air flowing around the Earth from West to East at high altitude. With wind speed averaging more than 100+ km/h, it has a tremendous effect on a plane's ground speed. The ...
kevin's user avatar
  • 39.8k
14 votes
Accepted

Why does flight duration differ for the same flight?

I'll expand on the other answers here. Wind: The biggest factor in this is wind. Winds at common cruising altitude can sometimes reach well into the 100 Knot spectrum. Keep in mind that this can be ...
Dave's user avatar
  • 101k
13 votes

Why does flight duration differ for the same flight?

Several possible reasons: different equipment (not every aircraft flies at the same speed) different routing known seasonal changes in high altitude winds (which can prompt routing changes) extra ...
jwenting's user avatar
  • 16.1k
12 votes
Accepted

What does 15/13 mean with pilot schedule?

That generally refers to days on / days off. In this example you could expect 15 days on duty, followed by 13 days off.
Michael Hall's user avatar
  • 26.9k
9 votes
Accepted

What does scheduled departure time exactly mean?

"Scheduled departure time" is not a term used in the operational environment. It is a term you will find on the passenger side of things, and means the time at which the aircraft is ...
60levelchange's user avatar
7 votes

Would a flight consisting of solely first-class passengers be cancelled due to center-of-gravity issues?

The passengers don't weigh enough to seriously affect the weight & balance, especially since there are usually less than 20 people in first class. I was on a Pan Am flight soon before its demise, ...
flyboy's user avatar
  • 71
6 votes

Is there an API to retrieve airport departure and arrivals?

It appears that Flightaware does have an API (both SOAP and REST) that would satisfy your needs. Here is the documentation, see "arrived", "departed", "en route", and "scheduled". Here's a code ...
AllTradesJack's user avatar
5 votes

Attempting to determine whether a flight took place

That flight did indeed happen: https://flightaware.com/live/flight/AAL2953/history/20190516/1632Z/KSAV/KORD It was scheduled for 12:22PM, but actually left the gate at 1:43PM (about 1 hour and 20 ...
abelenky's user avatar
  • 30.7k
5 votes
Accepted

Is there any free source for current airline schedule data?

I am currently developing a plugin for virtual airlines to pull live data, and I use the FlightAware's API which is really good in my opinion. With a little bit of php magic you can get all the ...
RAZERZ's user avatar
  • 353
4 votes
Accepted

Does Daylight Saving Time affect the flight time?

As others have pointed out, in cases where both origin and destination shift to DST, there likely isn't a change. When only one end of the flight shifts to DST it does have an effect on aircraft ...
Gerry's user avatar
  • 20k
4 votes

Does Daylight Saving Time affect the flight time?

It will affect scheduled flight times the same way it will affect your favorite TV show's air time. i.e. it won't* It will affect apparent flight duration if the departure and arrival airports ...
FreeMan's user avatar
  • 16.3k
4 votes

Why does flight duration differ for the same flight?

I was hoping for a specific example, but based on your statement that some days the flight takes 13 hrs 10 minutes and some other days it's 12 hrs over the same distance I suspect that you are ...
Federico's user avatar
  • 32.6k
4 votes
Accepted

Can airlines schedule more flight arrivals than the destination airport capacity?

Since the other answers focus on the US and you specifically mentioned London Heathrow, I will answer for Europe. In Europe, Eurocontrol uses a central Air Traffic Flow Management (ATFM) system to ...
Bianfable's user avatar
  • 56.5k
4 votes

Why was my flight delayed and un-delayed twice?

Most non-weather delays are maintenance snags flagged by flight crews on the previous flight due to fault messages in the flight deck. These airplanes are so complex, and the components have such hard ...
John K's user avatar
  • 132k
3 votes

Is there an API to retrieve airport departure and arrivals?

You could probably try with ADS-B exchange. You can query their server using the following url https://public-api.adsbexchange.com/VirtualRadar/AircraftList.json It will give you a list (in the form ...
harveyAJ's user avatar
  • 347
3 votes
Accepted

Is there simpler way than scraping flightradar to determine Number of Flights between Two Countries?

ADS-B Exchange could be an alternative to FlightRadar24. They have (free if you host a feeder station) APIs so you wouldn't need to go through the headache of scraping. The data should be comparable ...
cerebellum's user avatar
3 votes
Accepted

Why do airline schedules start in March and October?

The main reason for new schedules in March and October is the Daylight Savings Time changeover. It is a MAJOR headache for airlines all over the world. Schedules have to undergo extensive ...
Mike Sowsun's user avatar
  • 37.8k
3 votes

How to differentiate two flights with the same flight number that arrive on the same day?

When working with flightplan interfaces between different ATC systems, we have usually set the unique identifier for a flight plan to be CALLSIGN + ADEP + ADES + EOBT + EOBD. (Meaning callsign, ...
OleDahle's user avatar
  • 308
3 votes

How to differentiate two flights with the same flight number that arrive on the same day?

I'm making each days flight unique based on flight number and the date that it arrives.< A standard used by some (most?) airlines is to refer to the flight by the Flight No and by the departure ...
RAC's user avatar
  • 4,626
3 votes
Accepted

What is a IATA aircraft sub-type?

When the 737 is a type, the 737-700 (IATA: 73G) and 737-800 (IATA: 738) are sub-types. They have different capacities and differing weights. Other documents will use the word "variants" ...
Ralph J's user avatar
  • 51.8k
2 votes

When do carriers overhaul their flight schedules with flight re-numbering?

At my carrier, there are no rules along the lines asked about; the rules that apply are generated by the Schedule Planning department, and will change as they see fit. They produce many schedules each ...
Ralph J's user avatar
  • 51.8k
2 votes

Attempting to determine whether a flight took place

According to Flightradar24, the aircraft arrived 18 minutes late in SAV (12.10 ATA instead of 11.52 STA) on a flight from ORD. It departed SAV 1 hour 37 minutes late (13.59 ATD instead of 12.22 STD). ...
DeltaLima's user avatar
  • 83.5k
2 votes
Accepted

Why was my flight delayed and un-delayed twice?

I didn't see anything obvious after a quick glance, but one "teach to fish" source for ATC delays is the FAA's National Airspace System Status site: https://nasstatus.faa.gov More "...
randomhead's user avatar
  • 15.6k
1 vote

What does scheduled departure time exactly mean?

They are both the same. That definition "ready to start/pushback" in the block quote is pretty much the same as leaving the gate, since leaving the gate is the pushback.
John K's user avatar
  • 132k
1 vote
Accepted

When can a leg of a US domestic flight be flown after an earlier leg was cancelled?

To the title question “when can a leg of a US domestic flight be flown after an earlier leg was cancelled?” the answer is: When an aircraft and crew are available. Dispatchers and operations managers ...
Michael Hall's user avatar
  • 26.9k
1 vote

Is there simpler way than scraping flightradar to determine Number of Flights between Two Countries?

Not really, and for many countries there's really no way at all. For example within the EU you could fly your Cessna between Germany and say Denmark and never get recorded anywhere that's publicly ...
jwenting's user avatar
  • 16.1k

Only top scored, non community-wiki answers of a minimum length are eligible