PHX to MKE flight delays & on-time performance
Nonstop flights from Phoenix Sky Harbor International Airport to General Mitchell International Airport · 1,460 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHX or MKE right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Phoenix (PHX) to Milwaukee (MKE) arrived on time 72% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.9% were cancelled, and 7% arrived an hour or more late.
- American Airlines was the most punctual airline here (79% on time); Southwest Airlines was the least (69%).
- Departures scheduled around 8am did best (85% on time); around 7pm did worst (47%).
- Thursday was the most reliable day to fly (76% on time) and Monday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (52%).
Which airline is most on time from PHX 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 |
|---|---|---|---|---|---|
| Frontier Airlines | 100% | 0.0% | 3 min | 0.0% | 4 |
| American Airlines | 79% | 1.4% | 16 min | 6.3% | 488 |
| Southwest Airlines | 69% | 0.6% | 18 min | 8.1% | 960 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am84%64 flights
- 8am85%275 flights
- 9am78%130 flights
- 10am84%121 flights
- 11am72%58 flights
- 12pm64%36 flights
- 1pm80%45 flights
- 2pm54%75 flights
- 3pm36%23 flights
- 4pm68%179 flights
- 5pm83%90 flights
- 6pm64%175 flights
- 7pm47%125 flights
- 8pm57%47 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday67%1.9% cancelled
- Tuesday75%1.1% cancelled
- Wednesday72%0.0% cancelled
- Thursday76%0.5% cancelled
- Friday74%0.5% cancelled
- Saturday71%1.4% cancelled
- Sunday70%1.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft52%
- Airline (crew, maintenance, cleaning, fueling)37%
- Air traffic control & airport congestion11%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather85%
- Airline (crew, maintenance, cleaning, fueling)8%
- Air traffic control & airport congestion8%
- Security0%
PHX to MKE: common questions
- How often are PHX to MKE 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 Phoenix to Milwaukee cancelled?
- 0.9% of scheduled flights were cancelled (13 of 1,452).
- How long are typical delays?
- Across all flights the average arrival delay was 17 min (early arrivals count as zero). Flights that were late arrived 56 min behind schedule on average, and 7.5% of flights were an hour or more late.
- How long is taxi time at PHX?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MKE to PHX — 79% on time
More flights from Phoenix
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHX → MKE, nonstop flights by US airlines that report to the DOT. How we calculate this.