75% of flights from Milwaukee to New York arrived on time over the past 12 months. That is worse than the typical U.S. route. The 6 a.m. departures ran on time 82% of the time; the 5 p.m. ones 64%. 16% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for MKE → LGA: when a flight was late, it was under 45 minutes late 39% of the time. About 1 in 11 flights landed an hour or more late, and 1 in 51 three hours or more; 6.3% were cancelled outright.
- On time or early75%
- 15–30 min late4.4%
- 30–60 min late4.9%
- 1–2 hours late5.2%
- 2–3 hours late1.7%
- 3+ hours late2.0%
- Diverted0.4%
- Cancelled6.3%
Share of all 1,326 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| Delta Air Lines | 1,326 | 75% | 6.3% | −12 min | 8.9% | +89 min | Republic Airways 66%, Endeavor Air 34% |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at MKE). Delays build through the day as late planes knock on, so early flights usually do best.
Last flight of the day
On MKE → LGA, each airline's last flight of the day was cancelled 10.3% of the time, against 4.8% for its earlier flights (2.2× as often). It arrived 3+ hours late 1.7% of the time (earlier flights: 2.1%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.
| Airline | Last departure | Last: cancelled | Last: 3h+ late | Earlier: cancelled | Next morning |
|---|---|---|---|---|---|
| Delta Air Lines | 5:54 p.m. | 10.3% | 1.7% | 4.8% | first flight 6:00 a.m. |
Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.
If you need to be in LGA tonight, book an earlier flight so there's a backup if it's cancelled.
By month
Each calendar month pooled over 2023–2026. Best: October (87%). Worst: July (71%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 210 | 70% | 11.4% |
| Tuesday | 206 | 73% | 5.8% |
| Wednesday | 202 | 79% | 2.0% |
| Thursday | 199 | 79% | 5.0% |
| Friday | 203 | 81% | 4.4% |
| Saturday | 109 | 78% | 2.8% |
| Sunday | 197 | 67% | 10.7% |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: airline 43 · air traffic/airport 21 · weather 19
Month by month
Flight numbers on this route
Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.
| Flight | Departs | Flights | On time | Cancelled | Typical arrival | Operated by |
|---|---|---|---|---|---|---|
| DL 5625 | 6:00 a.m. | 140 | 85% | 3.6% | −13 min | Republic Airways |
Worst days in the past year
| Date | Flights | On time | Cancelled |
|---|---|---|---|
| Dec 14, 2025 | 4 | 0% | 2 |
| May 21, 2026 | 4 | 0% | 0 |
| Aug 7, 2026 | 4 | 0% | 2 |
| Mar 25, 2026 | 4 | 0% | 2 |
| Feb 23, 2026 | 4 | 0% | 4 |
Nearby airport alternatives
Other ways to make the same trip, using airports within 60 miles of Milwaukee or New York. MKE → JFK has been 11 points more reliable.
| Route | Flights | On time | Cancelled |
|---|---|---|---|
| MKE → LGA (this route) | 1,326 | 75% | 6.3% |
| MKE → JFK General Mitchell to New York JFK | 365 | 86% | 3.8% |
| MKE → EWR General Mitchell to Newark | 851 | 75% | 5.9% |
Questions
How often are flights from MKE to LGA on time?
75% of 1,326 scheduled flights from Milwaukee, WI to New York, NY arrived within 15 minutes of schedule between September 2025 and August 2026. 6.3% were cancelled.
What is the best time of day to fly MKE to LGA?
Flights scheduled to leave at 6 a.m. were the most reliable (82% on time). The 5 p.m. departures were the least (64%).
What month has the most delays from MKE to LGA?
July (71% on time). The best month is October (87%), over 2023–2026.
Is the last flight of the day from MKE to LGA more likely to be cancelled?
Yes. Each airline's last MKE–LGA flight of the day was cancelled 10.3% of the time over the past year, against 4.8% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.
Related
- LGA → MKE (return)
- General Mitchell (MKE) delays by hour
- Flights into LaGuardia (LGA)
- Delta Air Lines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.