Flight cancellation and delay

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One of the flights shown here is delayed HYD board 2.jpg
One of the flights shown here is delayed

A flight delay is when an airline flight takes off and/or lands later than its scheduled time. The Federal Aviation Administration (FAA) considers a flight to be delayed when it is 15 minutes later than its scheduled time. A cancellation occurs when the airline does not operate the flight at all for a certain reason.

Contents

In the European Union, Flight Compensation Regulation 261/2004 states that flight delays for over three hours, cancellations and denied boarding entitles passengers to a compensation from €250 up to €600 per passenger from the airline. [1]

In the United States, when flights are canceled or delayed, passengers may be entitled to compensation due to rules obeyed by every flight company, usually Rule 240, or Rule 218 in certain locations. This rule usually specifies that passengers may be entitled to certain reimbursements, including a free room if the next flight is the day after the canceled one, a choice of reimbursement, rerouting, phone calls, and refreshments. When a flight is delayed, the FAA allocates slots for takeoffs and landings based on which flight is scheduled first. [2] The Transportation Department imposes a fine of up to $27,500 per passenger for planes left on the tarmac for more than three hours without taking off (four hours for international flights). [3] However, passengers are not entitled to direct monetary compensation under US law when a delay occurs. Instead, airlines are merely required to pay for lodging costs of passengers if the delay or a cancellation is through their own fault, but not if the cause is beyond their control, such as weather. [4]

Causes

Since 2003, the United States Bureau of Transportation Statistics has been keeping track of the causes of flight delays. [5] The number of flight delays has increased as staff has been cut back as a result of the financial woes following the September 11 attacks. [6]

Some of the causes of flight delays or cancellation include:

Effects

Cost to airlines

In the United States, the Federal Aviation Administration estimates that flight delays cost airlines $22 billion yearly. [8] This is largely because airlines are forced to pay federal authorities when they hold planes on the tarmac for more than three hours for domestic flights or more than four hours for international flights. [4]

Cost to passengers

Flight delays are inconvenient for passengers as well. A delayed flight can be particularly costly to business travellers by causing them to miss scheduled appointments and interfering with other commitments. Furthermore, delayed passengers may suffer anger, frustration, and even air rage. [2]

Compensation

Flights from the EU are universally covered by Regulation (EC) No 261/2004 regardless of where the operating carrier is headquartered. This requires airlines to pay a lump-sum compensation of up to €600 to each affected passenger if the flight is cancelled on short notice or delayed by more than three hours on arrival (four hours for long-haul flights). [1] In effect, this means that an airline can still be required to pay passengers compensation under Regulation (EC) No 261/2004 even though it does not maintain a head or branch office in Europe.

Besides, flights to the EU from other countries are also covered by said regulation if the airline carrying out the flight is based in a member state of the European Union. Therefore, a flight departing London to New York on American Airlines is subjected to the regulation, whereas the return journey on the same airline is not. On the other hand, if a flight from New York to London was operated by an EU carrier, such as Lufthansa or Air France, Regulation (EC) No 261/2004 would apply.

Following the transition period after the UK's withdrawal from the European Union, it is no longer treated as a member state under Regulation (EC) No 261/2004 but as a third country like the US. However, the European Union (Withdrawal) Act 2018 that came into force on 30 December 2020 retained EU legislation hitherto directly applicable and incorporated it into British domestic law. [9] Likewise, the CJEU's jurisdiction on the Regulation (EC) No 261/2004 up until the end of 2020 was converted into British case law through the same statute. Consequently, passengers travelling to and from Great Britain continue to enjoy the same legal protection on their flights as before when the country was still a member of the European Union.

Only a few other states like India and Canada have implemented passenger rights that afford lump-sum compensations to travellers suffering significant flight disruptions as well. [10] [11] Yet, respective entitlements are generally limited to cases of severe irregularities caused by the operating airline's own negligence. Hence, such provisions afford an inferior level of protection to passengers compared to European standards. [12]

Flight delay data in the USA

This graphs represents the average flight delay per month and per day of the USA's 10 biggest airports, namely; Atlanta, Chicago, Dallas, Denver, New York (JFK), Los Angeles, San Francisco, Las Vegas, Seattle and Charlotte. Wiki PLOT1.pdf
This graphs represents the average flight delay per month and per day of the USA's 10 biggest airports, namely; Atlanta, Chicago, Dallas, Denver, New York (JFK), Los Angeles, San Francisco, Las Vegas, Seattle and Charlotte.

Yearly data analysis

Based on flight delay data from 2015 some correlations can be shown. [13] The analysis focuses on America's ten biggest airports, those are; Atlanta, Chicago, Dallas, Denver, New York (JFK), Los Angeles, San Francisco, Las Vegas, Seattle and Charlotte. Data analysis confirms that the distribution of delays at departure is very similar to that at arrival and there is a strong correlation between the two data. Observed is namely the average time of delay per month and the tendency of delays depending on the days of the week. It is clearly noticed that the average delay of a flight was larger in February, June, July and December. This seems to be strongly correlated with holiday periods. As can be expected September has a rather low average delay. One can derive that the probability of encountering a flight delay is larger in the above-mentioned months. Also, the busiest days to be flying are mainly Mondays, Sundays and Thursdays. Fridays are also a popular day to be flying.

Causes of delay

This graph provides information about the amount of flight delays caused by certain factors. Flight delay causes representation.pdf
This graph provides information about the amount of flight delays caused by certain factors.

There are several causes for a flight to be delayed. It is interesting to look at the proportions or chances of encountering certain delay type. More than half of the fights tend to be late (this taking account minor delays such as 5 or 10 min delays). Most planes are late due to air system issues or airline delays. This is interesting because it means that it is an area of the airline industry that could be optimized. Supporting our argument, one notices that the lower amount of delays are caused due to weather and security issues. Showing us that security for example is optimized to a very large level and other types of delays could eventually be avoided by optimizing organization in airports or establishing a delay prevention schedule. Weather delays are rather rare and are not primary reasons for flights to be delayed.

Performances

These graph describe the amount of delay type; large, medium or small, based on certain factors such as the airline, the departure airline, wind speed and holidays. Average type of delays based on certain factors.pdf
These graph describe the amount of delay type; large, medium or small, based on certain factors such as the airline, the departure airline, wind speed and holidays.

This section illustrates performances of Airlines and Airports in being on time in 2015, the focus is on the USA's ten biggest airports, namely; Atlanta, Chicago, Dallas, Denver, New York (JFK), Los Angeles, San Francisco, Las Vegas, Seattle and Charlotte. Delays are divided into three categories, namely "on time or small delay" (up to 15 minutes delay), "Medium delay" (15 – 45 minutes delay) and "Large delay" ( 45 minutes delay). In this way the graphic representation is more understandable as well as the possibility of directly comparing the variables related with delays. As represented one can observe that Airlines that were particularly good at being on time compared to other airlines were Delta Air Lines, American Airlines and Alaska Airlines. Those that tend to have a larger delay are Spirit Airlines, American Southeast Airlines and Frontier Airlines. Even if some observations can be made one cannot say that one airline is better than another. The same type of analysis can be one for different airports. In this case one can observe that airports such as New York and Atlanta stand out positively, while the one with the worst frequency of delays is Chicago. However, the differences are less obvious and, generally speaking, one can conclude that airlines play a more significant role than the airports of departure. Finally, the weather variables (humidity, wind speed) and holidays are analysed. After observing that the correlation between humidity and delays is almost zero, one could notice that both the wind speed and the holidays instead have a certain impact on flight delays.

See also

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References

  1. 1 2 "Regulation (EC) No 261/2004". eur-lex.europa.eu. Retrieved 2021-01-23.
  2. 1 2 Hanna, Julia (August 31, 2011). "Improving Fairness in Flight Delays". HBS Working Knowledge.
  3. Yu, Roger (August 21, 2011). "New rules for airlines kick in this week to protect fliers". USA Today. Retrieved 15 September 2011.
  4. 1 2 Choi, Candice (August 31, 2011). "When it comes to weather-related flight cancellations, airlines are off the hook". Boston.com. AP. Archived from the original on 16 May 2012. Retrieved 15 September 2011.
  5. "Airline On-Time Statistics and Delay Causes". Bureau of Transportation Statistics. Retrieved 15 September 2011.
  6. 1 2 3 Levin, Alan (December 22, 2007). "Airline glitches top cause of delays". USA Today. Retrieved 14 September 2011.
  7. 1 2 3 4 5 "Understanding the Reporting of Causes of Flight Delays and Cancellations". Bureau of Transportation.
  8. Rapajic, Jasenka. Beyond airline disruptions. p. 16.
  9. Ward, Kathryn (2020-12-17). "Brexit: The end for 261?". DLA Piper Insights (in German). Retrieved 2021-01-23.
  10. Bhasin, Tinesh (2020-01-15). "Rights you enjoy under passenger charter in case airline delays, cancels flight". mint. Retrieved 2021-01-23.
  11. Taylor, Daine. "Canada's New Air Passenger Protection Law Takes Effect". www.travelmarketreport.com. Retrieved 2021-01-23.
  12. Squires, Borden Ladner Gervais LLP-Robin; Ayre, Katherine; RobertStefanelli. "Air passenger protections: an analysis and comparison between Canada and the European Union | Lexology". www.lexology.com. Retrieved 2021-01-23.
  13. "2015 Flight Delays and Cancellations". www.kaggle.com. Retrieved 2018-12-02.