Quad Cities International in December 2025

69.5%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 357 domestic departures from Quad Cities International (MLI). 69.5% left less than 15 minutes late and 64.1% reached their destination on time; 3.6% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so MLI departures were 2.5 points below the national departure figure.

A year earlier, in December 2024, the airport had 356 departures with 80.9% leaving on time: a change of −11.4 points, with flights up 0%.

Flights arriving at MLI that month were on time 65.3% of the time (357 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 24% and national aviation system 19%.

On time 64.1%
Arrived 15+ minutes late 31.9%
Cancelled 3.6%
Diverted 0.3%

Every scheduled departure from MLI 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	MLI, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	69.5%	80.9%	77.9%	72.0%
Arrived on time	64.1%	78.7%	74.2%	71.9%
Cancelled	3.6%	0.8%	3.6%	1.5%
Average departure delay (late minutes only)	41.3 min	29.2 min	21.9 min	21.2 min
Scheduled departures a day	12	12	12	19,410
Scheduled departures	357	356	4,301	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	162	45%	59.3%	55.7 min	4.9%
MQ Envoy Air	86	24%	68.6%	8.7 min	3.5%
OH PSA Airlines	58	16%	67.2%	39.9 min	1.7%
G4 Allegiant Air	51	14%	68.6%	12.8 min	2.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MLI–ORD	Moline to Chicago	182	58.2%	49.7 min	6.0%
MLI–DFW	Moline to Dallas/Fort Worth	93	73.1%	20.5 min	1.1%
MLI–DEN	Moline to Denver	31	64.5%	38.2 min	0.0%
MLI–PGD	Moline to Punta Gorda	14	71.4%	-7.6 min	0.0%
MLI–SFB	Moline to Sanford	11	90.9%	-6.8 min	0.0%
MLI–AZA	Moline to Phoenix	9	44.4%	10.9 min	11.1%
MLI–LAS	Moline to Las Vegas	9	88.9%	0.2 min	0.0%
MLI–PIE	Moline to St. Petersburg	8	37.5%	89.3 min	0.0%

By scheduled departure hour

100

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	23.5%	33.3%	3,654
Late-arriving aircraft	43.3%	41.1%	6,723
National Aviation System	19.1%	19.1%	2,970
Extreme weather	13.6%	6.4%	2,115
Security	0.4%	0.2%	58

15,520 delay minutes on 114 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 MLI on time in December 2025?

69.5% of 357 scheduled domestic departures left less than 15 minutes late, and 64.1% 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, 80.9% of 356 departures left on time and 0.8% were cancelled, against 69.5% and 3.6% 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 MLI · methodology · corrections.