Milwaukee (MKE) to Philadelphia (PHL): On-Time Performance
Data through May 2026
Milwaukee (MKE) to Philadelphia (PHL) effectively runs on two schedules. In April 2025, 92% of arrivals were on time; in July 2025 that fell to 46% — a 46-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (89% vs 66%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 2.5%
- Flights/day
- 1.1
- last 12 months
- Duration
- 2h 5m
- scheduled
- Distance
- 690 mi
Best airline from MKE to PHL
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 80% | 11 min | 3.3% | 182 |
| PSA Airlines | 80% | 22 min | 2.4% | 495 |
| American Airlines | 66% | 52 min | 1.1% | 90 |
Monthly on-time trend
Best time to fly from MKE to PHL
Aim for departures around 6 a.m. (92% on-time); avoid 2 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 23 min |
| Tuesday | 80% | 21 min |
| Wednesday | 76% | 26 min |
| Thursday | 74% | 19 min |
| Friday | 77% | 17 min |
| Saturdaybest | 88% | 12 min |
| Sunday | 77% | 34 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations38%
- National airspace system17%
- Weather8%
Frequently asked questions
- How often are flights from MKE to PHL delayed?
- 22% of MKE–PHL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 22 minutes.
- Which airline is most reliable from MKE to PHL?
- Republic Airways has the best on-time record on this route at 80%, based on 182 flights. 3 airlines flew MKE–PHL frequently enough to compare in this period.
- What is the best time of day to fly from MKE to PHL?
- Departures around 6 a.m. have the best record (92% on-time), while departures around 2 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MKE to PHL?
- The scheduled MKE–PHL flight time averages 2h 5m over 690 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are MKE to PHL flights cancelled?
- 2.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from MKE to PHL?
- July 2025 was the roughest month in this dataset, with only 46% of arrivals on time. The best was April 2025 at 92%. If your dates are flexible, that 46-point gap is worth planning around.
Explore related pages
More routes from MKE
Other ways to fly to Philadelphia (PHL)
Related guides
Based on 798 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.