FlightRecord

Quad City International Airport (MLI): Delays & On-Time Performance

Data through May 2026

Quad City International Airport (MLI) is a tale of two seasons: departures ran 92% on-time in October 2024 but sank to 72% in December 2025. Across the year it averages 81% against a national 78%, over roughly 12 departures a day to 11 destinations.

Departures on-time
81%
left <15 min late
Avg dep delay
19 min
Arrivals on-time
75%
Cancelled
2.3%
Destinations
11
nonstop
Airlines
6

Monthly on-time trend

Monthly departure on-time percentage at MLI50%75%100%June 2024: 81% on-time (360 flights)81Jun 2024July 2024: 73% on-time (384 flights)73August 2024: 82% on-time (354 flights)82September 2024: 86% on-time (339 flights)86Sep 2024October 2024: 92% on-time (408 flights)92November 2024: 86% on-time (370 flights)86December 2024: 82% on-time (356 flights)82Dec 2024January 2025: 84% on-time (263 flights)84February 2025: 81% on-time (272 flights)81March 2025: 78% on-time (373 flights)78Mar 2025April 2025: 83% on-time (368 flights)83May 2025: 84% on-time (402 flights)84June 2025: 78% on-time (346 flights)78Jun 2025July 2025: 73% on-time (344 flights)73August 2025: 81% on-time (356 flights)81September 2025: 91% on-time (352 flights)91Sep 2025October 2025: 86% on-time (369 flights)86November 2025: 82% on-time (402 flights)82December 2025: 72% on-time (357 flights)72Dec 2025January 2026: 79% on-time (304 flights)79February 2026: 78% on-time (275 flights)78March 2026: 74% on-time (345 flights)74Mar 2026April 2026: 80% on-time (414 flights)80May 2026: 83% on-time (420 flights)83

Best time of day to depart from MLI

On-time percentage by scheduled departure hour at MLI5 a.m.: 87% on-time (349 flights)56 a.m.: 90% on-time (1,724 flights)67 a.m.: 94% on-time (346 flights)78 a.m.: 86% on-time (711 flights)89 a.m.: 79% on-time (373 flights)910 a.m.: 80% on-time (758 flights)1011 a.m.: 81% on-time (551 flights)1112 p.m.: 86% on-time (258 flights)121 p.m.: 79% on-time (278 flights)133 p.m.: 77% on-time (1,043 flights)154 p.m.: 66% on-time (490 flights)165 p.m.: 75% on-time (801 flights)176 p.m.: 75% on-time (454 flights)187 p.m.: 69% on-time (119 flights)198 p.m.: 68% on-time (108 flights)20scheduled departure hour

Busiest routes from MLI

RouteFlights/12moOn-timeAvg delay
MLI → ORD2,18973%26 min
MLI → DFW95282%16 min
MLI → DEN36783%13 min
MLI → CLT27879%22 min
MLI → LAS10583%14 min
MLI → PGD10179%15 min

Most reliable routes

  1. MLI → DEN83%
  2. MLI → LAS83%
  3. MLI → DFW82%
  4. MLI → CLT79%
  5. MLI → PGD79%

Most delay-prone routes

  1. MLI → ORD73%
  2. MLI → PGD79%
  3. MLI → CLT79%
  4. MLI → DFW82%
  5. MLI → LAS83%

Airline performance at MLI

AirlineOn-time departuresAvg delayFlights
Endeavor Air89%9 min424
Envoy Air83%13 min2,013
PSA Airlines81%24 min1,314
SkyWest Airlines80%22 min3,773
Allegiant Air80%18 min999

Frequently asked questions

How often are flights delayed at MLI?
19% of departures from Quad City International Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 19 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from MLI?
Flights scheduled around 7 a.m. depart on time 94% of the time at MLI, versus 66% around 4 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at MLI?
In this dataset, December 2025 was the weakest month at MLI, with 72% of departures on time.
How often are flights cancelled at MLI?
2.3% of scheduled departures from MLI were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Based on 8,533 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.