ALO to ORD flight delays & on-time performance
Nonstop flights from Waterloo Regional Airport to Chicago O'Hare International Airport · 234 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at ALO or ORD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Waterloo (ALO) to Chicago (ORD) 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%).
- Saturday was the most reliable day to fly (84% on time) and Monday the least (62%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (34%).
Which airline is most on time from ALO to ORD?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 74% | 2.5% | 28 min | 10.4% | 556 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 64% | 10.0% | 43 min | 18.9% | 100 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am83%189 flights
- 6am79%171 flights
- 2pm79%48 flights
- 3pm57%230 flights
- 4pm85%13 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday62%4.8% cancelled
- Tuesday82%0.0% cancelled
- Wednesday79%2.0% cancelled
- Thursday68%2.0% cancelled
- Friday68%3.8% cancelled
- Saturday84%6.8% cancelled
- Sunday69%5.8% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)34%
- Late-arriving aircraft33%
- Extreme weather19%
- Air traffic control & airport congestion14%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather88%
- Air traffic control & airport congestion13%
- Airline (crew, maintenance, cleaning, fueling)0%
- Security0%
ALO to ORD: common questions
- How often are ALO to ORD flights on time?
- 72% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Waterloo to Chicago cancelled?
- 3.7% of scheduled flights were cancelled (24 of 656).
- How long are typical delays?
- Across all flights the average arrival delay was 30 min (early arrivals count as zero). Flights that were late arrived 107 min behind schedule on average, and 11.6% of flights were an hour or more late.
- How long is taxi time at ALO?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: ALO → ORD, nonstop flights by US airlines that report to the DOT. How we calculate this.