IAH to MKE flight delays & on-time performance
Nonstop flights from George Bush Intercontinental Airport to General Mitchell International Airport · 984 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAH or MKE right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Houston (IAH) to Milwaukee (MKE) arrived on time 76% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0% were cancelled, and 8% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (76% on time); United Airlines was the least (73%).
- Departures scheduled around 7am did best (83% on time); around 12pm did worst (60%).
- Tuesday was the most reliable day to fly (88% on time) and Sunday the least (67%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (63%).
Which airline is most on time from IAH to MKE?
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 |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 76% | 0.0% | 15 min | 8.3% | 218 |
| United Airlines | 73% | 0.0% | 11 min | 9.1% | 22 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am83%109 flights
- 12pm60%15 flights
- 2pm70%10 flights
- 7pm68%75 flights
- 8pm77%26 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday71%0.0% cancelled
- Tuesday88%0.0% cancelled
- Wednesday83%0.0% cancelled
- Thursday73%0.0% cancelled
- Friday71%0.0% cancelled
- Saturday79%0.0% cancelled
- Sunday67%0.0% 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)63%
- Late-arriving aircraft14%
- Extreme weather13%
- Air traffic control & airport congestion10%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
No cancellation causes recorded in this period.
IAH to MKE: common questions
- How often are IAH to MKE flights on time?
- 76% 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 Houston to Milwaukee cancelled?
- 0.0% of scheduled flights were cancelled (0 of 240).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 55 min behind schedule on average, and 8.4% of flights were an hour or more late.
- How long is taxi time at IAH?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MKE to IAH — 81% on time
More flights from Houston
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAH → MKE, nonstop flights by US airlines that report to the DOT. How we calculate this.