On-Time Report

Airlines › Delta Air Lines › April 2024

Carrier month · April 2024

Delta Air Lines in April 2024

84.1%arrived on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In April 2024, Delta Air Lines (DL) reported 82,812 scheduled domestic flights. 84.1% arrived on time, 0.1% were cancelled and 0.2% diverted.

All reporting carriers together recorded 80.2% on time and 0.7% cancelled that month, so the carrier was 3.9 points above the combined figure.

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 30% and national aviation system 21%.

Every scheduled domestic flight reported by Delta Air Lines in April 2024.

April 2024 against a year earlier, the carrier's year and all carriers

MeasureApr 2024Year earlierDL, 12 months to Jul 2026All carriers, Apr 2024
Arrived on time84.1%—79.9%80.2%
Departed on time84.8%—80.6%80.5%
Cancelled0.1%—1.7%0.7%
Average arrival delay2.5 min—3.9 min5.4 min
Scheduled flights a day2,760—2,84619,406
Scheduled flights82,812—1,038,644582,185

142 airports and 893 routes had DL flights that month.

Busiest airports that month

AirportDeparturesOn timeAvg arrival delayCancelled
ATL Atlanta18,82282.4%4.8 min0.1%
MSP Minneapolis5,44485.9%-1.7 min0.1%
DTW Detroit4,76883.2%2.6 min0.1%
SLC Salt Lake City4,43684.5%0.7 min0.0%
LAX Los Angeles3,00878.6%8.1 min0.0%
SEA Seattle2,60283.3%1.6 min0.0%
JFK New York2,53281.0%0.8 min0.2%
LGA New York2,25182.8%0.0 min0.8%
BOS Boston2,17178.7%4.7 min0.3%
MCO Orlando1,92881.8%7.8 min0.4%
LAS Las Vegas1,33785.8%-0.8 min0.0%
TPA Tampa1,14381.1%10.1 min0.6%
FLL Fort Lauderdale1,11279.0%11.2 min0.3%
SFO San Francisco1,08773.2%12.3 min0.0%
DEN Denver1,05885.1%-0.8 min0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over
Share of DL flights that arrived on time, by scheduled departure hour (local time at each origin), April 2024.

Delay causes

BTS cause categoryShare of delay minutesAll carriers, Apr 2024Minutes
Air carrier46.3%33.6%398,024
Late-arriving aircraft29.9%41.0%257,145
National Aviation System20.6%20.0%176,680
Extreme weather3.0%5.1%25,551
Security0.2%0.2%1,355
858,755 delay minutes on 12,919 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← March 2024May 2024 →

Questions and answers

What share of Delta Air Lines flights were on time in April 2024?

84.1% of 82,812 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 80.2% that month.

How does that compare with a year earlier?

April 2023 is outside the 36 months on file, or the carrier did not report that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for April 2024; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for Delta Air Lines · methodology · corrections.