Route · MKE → PHX · 2020–2025 BTS data
Milwaukee to Phoenix
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), MKE to PHX (Milwaukee to Phoenix) ranks #1538 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 85.1%
- On-time
- +6.1 pts
- vs US avg
- 80 min
- Delay when late
- 8,003
- Flights
- #1538 of 4927
- Corpus placement
Cancelled
0.6%
Best Month
Oct 2024 91%
Worst Month
Dec 2025 69%
Distance
1,460 mi
Carriers
9
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 141 | 44 | 0 | 0 | WN,AA |
| Nov 2025 | 132 | 26 | 4 | 0 | AA,WN |
| Oct 2025 | 120 | 13 | 0 | 0 | AA,WN |
| Sep 2025 | 98 | 13 | 1 | 1 | WN,AA |
| Aug 2025 | 102 | 14 | 0 | 1 | AA,WN |
| Jul 2025 | 114 | 20 | 0 | 1 | AA,WN |
| Jun 2025 | 114 | 18 | 0 | 0 | AA,WN |
| May 2025 | 127 | 17 | 0 | 0 | AA,WN |
| Apr 2025 | 153 | 21 | 1 | 0 | WN,AA |
| Mar 2025 | 162 | 25 | 2 | 0 | AA,WN |
| Feb 2025 | 110 | 23 | 0 | 0 | AA,WN |
| Jan 2025 | 107 | 12 | 0 | 0 | AA,WN |
| Dec 2024 | 142 | 21 | 0 | 0 | AA,WN |
| Nov 2024 | 130 | 18 | 0 | 0 | WN,AA |
| Oct 2024 | 120 | 11 | 0 | 0 | WN,AA |
| Sep 2024 | 110 | 15 | 0 | 0 | WN,AA |
| Aug 2024 | 115 | 24 | 2 | 0 | AA,WN |
| Jul 2024 | 115 | 16 | 1 | 1 | AA,WN |
| Jun 2024 | 112 | 21 | 0 | 0 | AA,WN |
| May 2024 | 128 | 24 | 1 | 0 | AA,WN |
| Apr 2024 | 149 | 27 | 0 | 1 | AA,WN |
| Mar 2024 | 138 | 34 | 1 | 0 | AA,WN |
| Feb 2024 | 101 | 12 | 0 | 0 | AA,WN |
| Jan 2024 | 100 | 26 | 5 | 0 | AA,WN |
MKE–PHX seasonal on-time pattern
Best: September (88.7%) · weakest: December (79.0%)
Strongest calendar month
September
88.7% on-time · ~98 flights/mo
Busiest calendar month
March
~147 flights/mo avg
Weakest calendar month
December
79.0% on-time · ~109 flights/mo
Cancellation Rate
0.6%
18 of 2,940 flights
Diversion Rate
0.2%
5 of 2,940 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
MKE - Milwaukee
Full on-time, delay-cause, and seasonal performance for Milwaukee, WI.
MKE on-time profilePHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
PHX on-time profileCompare the two airports
See MKE and PHX side by side on delays, cancellations, and reliability.
Compare MKE vs PHXOrigin-hub reliability standing
Among MKE's stronger departures
MKE → PHX posts a 85.1% on-time rate, landing in the ≥85% band with 9 of 27 BTS-tracked routes leaving Milwaukee. The same hub also shows 18 mid-band and 0 challenged departures · fleet-wide on-time rank #1185 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to MKE–PHX.
Routes with a similar on-time rate
What the Data Says About MKE to PHX
Milwaukee to Phoenix (MKE to PHX) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.1% on-time rate across 8,003 flights, with delays that do happen averaging 79.8 minutes. The corridor runs roughly 1,460 miles and is served by 9 carriers. Over the most recent 24 months, 18 of 2,940 flights were cancelled (0.6%) and 5 diverted (0.2%).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 91% on-time, while Dec 2025 came in at just 69% - a 22-point swing worth factoring into travel timing.
On the multi-year calendar, MKE–PHX peaks in September at 88.7% on-time while March carries the heaviest traffic (~147 flights per month) ; the softest month is December at 79.0%, a 9.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does MKE to PHX rank among US routes by traffic? ▼
How often are flights delayed from MKE to PHX? ▼
What is the cancellation rate for MKE to PHX? ▼
How far is the flight from MKE to PHX? ▼
When is the best time to fly from MKE to PHX? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using MKE–PHX data
MKE–PHX runs 6.1 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare MKE and PHX airport profiles: delay causes and top routes differ even on the same corridor. MKE airport
- If your dates flex, September (88.7% on-time) beats December (79.0%) on this corridor. Seasonal chart
- 4 other routes post a similar 85.1% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.