Quad Cities International in September 2023

86.7%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 September 2023, reporting carriers scheduled 196 domestic departures from Quad Cities International (MLI). 86.7% left less than 15 minutes late and 82.1% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so MLI departures were 6.2 points above the national departure figure.

Flights arriving at MLI that month were on time 77.6% of the time (196 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 53%, air carrier 34% and national aviation system 13%.

On time 82.1%
Arrived 15+ minutes late 17.3%
Cancelled 0.0%
Diverted 0.5%

Every scheduled departure from MLI in September 2023, judged by arrival at the destination.

September 2023 against a year earlier, the airport's year and the nation

Measure	Sep 2023	Year earlier	MLI, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	86.7%	—	77.9%	80.5%
Arrived on time	82.1%	—	74.2%	80.1%
Cancelled	0.0%	—	3.6%	1.2%
Average departure delay (late minutes only)	10.4 min	—	21.9 min	14.1 min
Scheduled departures a day	7	—	12	18,978
Scheduled departures	196	—	4,301	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	68	35%	77.9%	9.0 min	0.0%
9E Endeavor Air	60	31%	85.0%	-5.2 min	0.0%
MQ Envoy Air	60	31%	85.0%	-9.3 min	0.0%
G4 Allegiant Air	8	4%	75.0%	-0.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MLI–ATL	Moline to Atlanta	60	85.0%	-5.2 min	0.0%
MLI–DFW	Moline to Dallas/Fort Worth	60	85.0%	-9.3 min	0.0%
MLI–ORD	Moline to Chicago	38	76.3%	17.7 min	0.0%
MLI–DEN	Moline to Denver	30	80.0%	-1.9 min	0.0%
MLI–LAS	Moline to Las Vegas	8	75.0%	-0.2 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), September 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	34.0%	36.4%	636
Late-arriving aircraft	52.5%	38.3%	981
National Aviation System	13.2%	19.9%	246
Extreme weather	0.3%	5.1%	5
Security	0.0%	0.2%	0

1,868 delay minutes on 34 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 September 2023?

86.7% of 196 scheduled domestic departures left less than 15 minutes late, and 82.1% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2023; 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.