Delta Air Lines in January 2024

80.4%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 January 2024, Delta Air Lines (DL) reported 74,384 scheduled domestic flights. 80.4% arrived on time, 0.6% were cancelled and 0.2% diverted.

All reporting carriers together recorded 72.9% on time and 3.7% cancelled that month, so the carrier was 7.5 points above the combined figure.

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 28% and national aviation system 19%.

On time 80.4%
Arrived 15+ minutes late 18.7%
Cancelled 0.6%
Diverted 0.2%

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

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

Measure	Jan 2024	Year earlier	DL, 12 months to Jul 2026	All carriers, Jan 2024
Arrived on time	80.4%	—	79.9%	72.9%
Departed on time	81.5%	—	80.6%	74.0%
Cancelled	0.6%	—	1.7%	3.7%
Average arrival delay	4.4 min	—	3.9 min	10.4 min
Scheduled flights a day	2,480	—	2,846	18,242
Scheduled flights	74,384	—	1,038,644	547,271

142 airports and 894 routes had DL flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
ATL Atlanta	16,511	81.5%	3.4 min	0.4%
MSP Minneapolis	4,792	83.3%	-2.5 min	0.5%
DTW Detroit	4,410	69.5%	16.2 min	1.5%
SLC Salt Lake City	4,205	77.3%	7.7 min	0.3%
LAX Los Angeles	2,760	83.1%	2.2 min	0.4%
JFK New York	2,383	79.9%	-3.0 min	0.3%
SEA Seattle	2,361	82.9%	0.9 min	0.3%
LGA New York	2,109	76.1%	7.6 min	1.1%
MCO Orlando	1,870	80.4%	4.9 min	0.3%
BOS Boston	1,801	75.1%	5.8 min	0.9%
LAS Las Vegas	1,302	85.3%	-1.1 min	0.2%
FLL Fort Lauderdale	1,097	77.9%	6.1 min	0.6%
TPA Tampa	1,018	84.0%	1.0 min	0.4%
MIA Miami	1,004	67.9%	14.3 min	0.4%
DEN Denver	1,002	82.5%	1.3 min	0.0%

By scheduled departure hour

100

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), January 2024.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Jan 2024	Minutes
Air carrier	40.7%	32.6%	423,363
Late-arriving aircraft	27.8%	39.0%	288,500
National Aviation System	19.0%	17.9%	197,503
Extreme weather	12.4%	10.3%	129,066
Security	0.1%	0.2%	979

1,039,411 delay minutes on 13,930 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 January 2024?

80.4% of 74,384 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 72.9% that month.

How does that compare with a year earlier?

January 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 January 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.