Detroit Metro Wayne County in December 2025

66.2%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 2025, reporting carriers scheduled 9,934 domestic departures from Detroit Metro Wayne County (DTW). 66.2% left less than 15 minutes late and 60.3% reached their destination on time; 2.5% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so DTW departures were 5.8 points below the national departure figure.

A year earlier, in December 2024, the airport had 11,098 departures with 77.1% leaving on time: a change of −10.9 points, with flights down 10%.

Flights arriving at DTW that month were on time 66.6% of the time (9,936 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 49%, national aviation system 21% and late-arriving aircraft 20%.

On time 60.3%
Arrived 15+ minutes late 37.0%
Cancelled 2.5%
Diverted 0.2%

Every scheduled departure from DTW in December 2025, judged by arrival at the destination.

December 2025 against a year earlier, the airport's year and the nation

Measure	Dec 2025	Dec 2024	DTW, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	66.2%	77.1%	77.3%	72.0%
Arrived on time	60.3%	75.8%	75.4%	71.9%
Cancelled	2.5%	0.5%	1.9%	1.5%
Average departure delay (late minutes only)	30.7 min	17.0 min	17.7 min	21.2 min
Scheduled departures a day	331	370	334	19,410
Scheduled departures	9,934	11,098	121,889	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	4,936	50%	61.7%	21.7 min	2.2%
OO SkyWest Airlines	2,261	23%	52.9%	51.0 min	3.4%
NK Spirit Airlines	732	7%	61.3%	18.5 min	3.8%
YX Republic Airline	477	5%	69.0%	14.3 min	2.3%
AA American Airlines	410	4%	69.3%	13.9 min	0.7%
WN Southwest Airlines	359	4%	67.7%	11.5 min	0.8%
F9 Frontier Airlines	261	3%	58.6%	26.0 min	1.1%
OH PSA Airlines	201	2%	57.7%	36.7 min	5.0%
UA United Airlines	151	2%	66.2%	21.9 min	0.7%
B6 JetBlue Airways	78	1%	62.8%	17.0 min	3.8%
AS Alaska Airlines	40	0%	35.0%	38.1 min	0.0%
MQ Envoy Air	28	0%	60.7%	14.2 min	3.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DTW–ORD	Detroit to Chicago	420	52.9%	49.4 min	3.6%
DTW–ATL	Detroit to Atlanta	380	69.2%	19.4 min	1.3%
DTW–LGA	Detroit to New York	354	60.5%	22.8 min	6.5%
DTW–MCO	Detroit to Orlando	343	62.1%	29.5 min	0.9%
DTW–DFW	Detroit to Dallas/Fort Worth	302	64.9%	17.1 min	1.3%
DTW–EWR	Detroit to Newark	292	60.6%	22.1 min	5.5%
DTW–CLT	Detroit to Charlotte	291	70.8%	17.4 min	1.4%
DTW–FLL	Detroit to Fort Lauderdale	278	58.6%	25.7 min	1.8%
DTW–DEN	Detroit to Denver	242	62.4%	17.0 min	0.4%
DTW–DCA	Detroit to Washington	238	59.2%	24.5 min	4.2%
DTW–PHL	Detroit to Philadelphia	233	63.1%	29.6 min	2.6%
DTW–TPA	Detroit to Tampa	233	60.5%	21.7 min	2.1%

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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	48.9%	33.3%	156,191
Late-arriving aircraft	19.5%	41.1%	62,096
National Aviation System	21.4%	19.1%	68,204
Extreme weather	10.2%	6.4%	32,544
Security	0.0%	0.2%	87

319,122 delay minutes on 3,673 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 2025?

66.2% of 9,934 scheduled domestic departures left less than 15 minutes late, and 60.3% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 77.1% of 11,098 departures left on time and 0.5% were cancelled, against 66.2% and 2.5% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; 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.