Philadelphia (PHL) to Milwaukee (MKE): On-Time Performance
Data through July 2026
The biggest risk when flying PHL to MKE isn't a late arrival — it's not departing at all. 4.5% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 75% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 81% of the time.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 4.5%
- Flights/day
- 1.4
- last 12 months
- Duration
- 2h 21m
- scheduled
- Distance
- 690 mi
Best airline from PHL to MKE
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 81% | 11 min | 5.3% | 114 |
| PSA Airlines | 75% | 25 min | 4.7% | 644 |
| American Airlines | 71% | 23 min | 3.4% | 116 |
Monthly on-time trend
Best time to fly from PHL to MKE
Aim for departures around 8 a.m. (92% on-time); avoid 2 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 33 min |
| Tuesdaybest | 77% | 28 min |
| Wednesday | 76% | 13 min |
| Thursday | 72% | 27 min |
| Friday | 77% | 15 min |
| Saturday | 76% | 27 min |
| Sunday | 77% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations31%
- National airspace system17%
- Weather3%
Frequently asked questions
- How often are flights from PHL to MKE delayed?
- 25% of PHL–MKE flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 23 minutes.
- Which airline is most reliable from PHL to MKE?
- Republic Airways has the best on-time record on this route at 81%, based on 114 flights. 3 airlines flew PHL–MKE frequently enough to compare in this period.
- What is the best time of day to fly from PHL to MKE?
- Departures around 8 a.m. have the best record (92% on-time), while departures around 2 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PHL to MKE?
- The scheduled PHL–MKE flight time averages 2h 21m over 690 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are PHL to MKE flights cancelled?
- 4.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from PHL to MKE?
- July 2026 was the roughest month in this dataset, with only 53% of arrivals on time. The best was September 2024 at 96%. If your dates are flexible, that 42-point gap is worth planning around.
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Based on 892 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.