Detroit Metro Wayne County in December 2024

77.1%departed 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 December 2024, reporting carriers scheduled 11,098 domestic departures from Detroit Metro Wayne County (DTW). 77.1% left less than 15 minutes late and 75.8% reached their destination on time; 0.5% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so DTW departures were 0.7 points below the national departure figure.

A year earlier, in December 2023, the airport had 9,982 departures with 87.5% leaving on time: a change of −10.4 points, with flights up 11%.

Flights arriving at DTW that month were on time 78.8% of the time (11,099 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 57%, national aviation system 17% and late-arriving aircraft 17%.

On time 75.8%
Arrived 15+ minutes late 23.4%
Cancelled 0.5%
Diverted 0.2%

Every scheduled departure from DTW in December 2024, judged by arrival at the destination.

December 2024 against a year earlier, the airport's year and the nation

Measure	Dec 2024	Dec 2023	DTW, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	77.1%	87.5%	77.3%	77.8%
Arrived on time	75.8%	89.4%	75.4%	78.1%
Cancelled	0.5%	0.2%	1.9%	0.7%
Average departure delay (late minutes only)	17.0 min	8.9 min	17.7 min	16.6 min
Scheduled departures a day	370	333	334	19,686
Scheduled departures	11,098	9,982	121,889	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	4,774	43%	76.3%	7.2 min	0.1%
OO SkyWest Airlines	2,411	22%	68.7%	18.2 min	1.1%
9E Endeavor Air	1,073	10%	82.5%	-0.4 min	0.0%
NK Spirit Airlines	849	8%	78.9%	2.6 min	0.5%
YX Republic Airline	485	4%	84.9%	-4.0 min	0.6%
AA American Airlines	431	4%	79.1%	0.5 min	0.5%
WN Southwest Airlines	326	3%	83.1%	1.0 min	0.0%
UA United Airlines	216	2%	82.4%	6.8 min	0.5%
F9 Frontier Airlines	192	2%	73.4%	14.8 min	0.5%
OH PSA Airlines	134	1%	65.7%	15.5 min	0.7%
MQ Envoy Air	118	1%	60.2%	11.2 min	8.5%
B6 JetBlue Airways	60	1%	60.0%	34.0 min	5.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DTW–ORD	Detroit to Chicago	429	75.5%	7.7 min	2.3%
DTW–ATL	Detroit to Atlanta	389	77.4%	5.8 min	0.0%
DTW–LGA	Detroit to New York	358	76.8%	3.5 min	0.0%
DTW–DFW	Detroit to Dallas/Fort Worth	342	72.2%	10.7 min	0.3%
DTW–MCO	Detroit to Orlando	322	72.4%	16.3 min	0.0%
DTW–CLT	Detroit to Charlotte	320	85.3%	-3.9 min	0.0%
DTW–LAS	Detroit to Las Vegas	254	82.3%	0.1 min	0.0%
DTW–DEN	Detroit to Denver	243	82.7%	-1.0 min	0.0%
DTW–PHL	Detroit to Philadelphia	242	76.0%	9.9 min	0.4%
DTW–BOS	Detroit to Boston	235	69.8%	21.0 min	2.1%
DTW–EWR	Detroit to Newark	224	71.9%	9.5 min	1.3%
DTW–FLL	Detroit to Fort Lauderdale	223	75.8%	11.0 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	57.0%	34.3%	100,725
Late-arriving aircraft	17.0%	40.2%	30,106
National Aviation System	17.4%	17.8%	30,710
Extreme weather	8.4%	7.5%	14,778
Security	0.2%	0.2%	294

176,613 delay minutes on 2,601 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

How many flights left DTW on time in December 2024?

77.1% of 11,098 scheduled domestic departures left less than 15 minutes late, and 75.8% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 87.5% of 9,982 departures left on time and 0.2% were cancelled, against 77.1% and 0.5% in December 2024.

Provenance

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