OnTimeRoutes
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Waterloo Regional Airport (ALO) delays & on-time performance

Waterloo, Iowa · 1 nonstop destinations · 2 airlines · Aug 2025 – Jul 2026

Live status todayFAA update Oct 11, 4:56 AM EDTAll US airport delays now →

No FAA-reported ground stops or delays at ALO right now. Individual flights can still be delayed by the airline; check with your airline for your flight.

On-time arrivals
72%
arrived < 15 min late
Cancelled
3.7%
24 flights
Avg arrival delay
30 min
107 min when late
Departed on time
80%
avg taxi-out 20 min

Figures cover 656 departures from ALO; on-time is measured at arrival. Arrivals into ALO were on time 73% of the time.

Key facts

  • Flights departing Waterloo Regional Airport (ALO) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
  • 3.7% were cancelled, and 12% arrived an hour or more late.
  • Envoy Air was the most punctual airline here (74% on time); SkyWest Airlines was the least (64%).
  • Departures scheduled around 5am did best (83% on time); around 3pm did worst (57%).
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (34%).

Most delayed routes from ALO

Lowest on-time arrival rates among regularly flown routes.

All 1 routes from ALO →

Most reliable routes from ALO

Highest on-time arrival rates among regularly flown routes.

Best airline at ALO

Departures from this airport, ranked by on-time arrival.

AirlineOn timeCancelledAvg delayRoutesFlights
Envoy Air74%2.5%28 min1556
SkyWest Airlines64%10.0%43 min1100

Best time to fly out of ALO

On-time arrival rate by scheduled departure hour (local time).

  • 5am83%189 flts
  • 6am79%171 flts
  • 2pm79%48 flts
  • 3pm57%230 flts

Monthly trend

40%70%100%July 2025: 60.0% on time, 1.6% cancelledJul ’25August 2025: 70.4% on time, 0.0% cancelledAug ’25September 2025: 80.8% on time, 0.0% cancelledSep ’25October 2025: 70.5% on time, 0.0% cancelledOct ’25November 2025: 78.4% on time, 5.6% cancelledNov ’25December 2025: 58.8% on time, 8.9% cancelledDec ’25January 2026: 61.1% on time, 0.0% cancelledJan ’26February 2026: 77.1% on time, 0.0% cancelledFeb ’26March 2026: 69.4% on time, 5.7% cancelledMar ’26April 2026: 80.4% on time, 5.1% cancelledApr ’26May 2026: 86.4% on time, 0.0% cancelledMay ’26June 2026: 68.9% on time, 11.8% cancelledJun ’26July 2026: 64.0% on time, 7.4% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why departures were late

  • Airline (crew, maintenance, cleaning, fueling)34%
  • Late-arriving aircraft33%
  • Extreme weather19%
  • Air traffic control & airport congestion14%
  • Security0%

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.