Delta Air Lines in March 2024

83.4%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 March 2024, Delta Air Lines (DL) reported 82,668 scheduled domestic flights. 83.4% arrived on time, 0.1% were cancelled and 0.2% diverted.

All reporting carriers together recorded 78.3% on time and 0.9% cancelled that month, so the carrier was 5.1 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 29% and national aviation system 22%.

On time 83.4%
Arrived 15+ minutes late 16.3%
Cancelled 0.1%
Diverted 0.2%

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

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

Measure	Mar 2024	Year earlier	DL, 12 months to Jul 2026	All carriers, Mar 2024
Arrived on time	83.4%	—	79.9%	78.3%
Departed on time	83.7%	—	80.6%	78.5%
Cancelled	0.1%	—	1.7%	0.9%
Average arrival delay	2.0 min	—	3.9 min	6.5 min
Scheduled flights a day	2,756	—	2,846	19,726
Scheduled flights	82,668	—	1,038,644	591,767

141 airports and 867 routes had DL flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
ATL Atlanta	18,819	82.1%	3.8 min	0.0%
MSP Minneapolis	5,408	81.6%	0.2 min	0.6%
DTW Detroit	4,865	82.2%	1.9 min	0.0%
SLC Salt Lake City	4,478	81.2%	3.5 min	0.0%
LAX Los Angeles	2,970	78.2%	7.4 min	0.0%
JFK New York	2,499	85.8%	-7.2 min	0.0%
SEA Seattle	2,468	85.0%	0.6 min	0.0%
LGA New York	2,163	84.1%	-4.2 min	0.1%
BOS Boston	2,101	87.0%	-7.1 min	0.0%
MCO Orlando	1,980	74.5%	13.2 min	0.2%
LAS Las Vegas	1,348	81.8%	3.4 min	0.1%
TPA Tampa	1,150	73.6%	14.5 min	0.1%
FLL Fort Lauderdale	1,149	74.7%	14.2 min	0.0%
DEN Denver	1,077	86.1%	-0.4 min	0.2%
MIA Miami	1,036	68.1%	26.6 min	0.5%

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), March 2024.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Mar 2024	Minutes
Air carrier	46.0%	32.1%	411,974
Late-arriving aircraft	29.1%	42.1%	260,257
National Aviation System	21.7%	21.4%	194,785
Extreme weather	3.2%	4.2%	28,403
Security	0.0%	0.2%	372

895,791 delay minutes on 13,512 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

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

83.4% of 82,668 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 78.3% that month.

How does that compare with a year earlier?

March 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 March 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.