Waterloo Regional Airport (ALO): Delays & On-Time Performance
Data through July 2026
Waterloo Regional Airport (ALO) in Waterloo, IA is a middle-of-the-pack performer: 79% of departures are on time, within a few points of the national 78%. It hosts 2 airlines flying 2 departures a day to 1 destinations, with cancellations at 3.3%.
- Departures on-time
- 79%
- left <15 min late
- Avg dep delay
- 26 min
- Arrivals on-time
- 72%
- Cancelled
- 3.3%
- Destinations
- 1
- nonstop
- Airlines
- 2
Plan your departure from ALO
The choices most likely to improve your odds, based on this airport’s historical record.
- Best day to fly
- Saturday
- 82% on-time
- Cancellation risk
- 3.3%
- above the US average
Monthly on-time trend
Best time of day to depart from ALO
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 64% | 35 min |
| Tuesday | 79% | 21 min |
| Wednesday | 74% | 26 min |
| Thursday | 66% | 30 min |
| Friday | 71% | 31 min |
| Saturdaybest | 82% | 27 min |
| Sunday | 68% | 38 min |
Busiest routes from ALO
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| ALO → ORD (Chicago) | 656 | 71% | 30 min |
Where flights into ALO come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| ORD (Chicago) → ALO | 656 | 72% | 23 min |
What causes delays at ALO
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing ALO.
- Late-arriving aircraft31%
- Airline operations30%
- National airspace system15%
- Weather23%
Alternative airports near Waterloo
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| CID — The Eastern Iowa Airport | 58 mi | 80% | 21 min |
| MCW — Mason City Municipal Airport | 63 mi | 80% | 28 min |
| FOD — Fort Dodge Regional Airport | 91 mi | 78% | 29 min |
| RST — Rochester International Airport | 93 mi | 77% | 23 min |
| DSM — Des Moines International Airport | 96 mi | 82% | 19 min |
Compare the airport-level record first, then check the exact route you plan to book.
Airline performance at ALO
| Airline | On-time departures | Avg delay | Flights |
|---|---|---|---|
| Envoy Air | 80% | 25 min | 668 |
| SkyWest Airlines | 72% | 38 min | 100 |
Frequently asked questions
- How often are flights delayed at ALO?
- 21% of departures from Waterloo Regional Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 26 minutes. The national on-time average over the same period was 78%.
- How often are flights cancelled at ALO?
- 3.3% of scheduled departures from ALO were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 768 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.