Best Time to Fly DCA to MKE: On-Time Stats by Hour & Airline
Ronald Reagan Washington National → General Mitchell International
Data through July 2026 · Last updated October 18, 2026
1,347 flights were scheduled from Washington (DCA) to Milwaukee (MKE) in the last 12 months, and 77.0% of those that flew arrived on time, 0.6 points below the US average of 77.6%.
Among 2 airlines, Southwest Airlines led with 82.9% on time and PSA Airlines was last with 70.5%.
Over 24 months, Tuesday was the most reliable day (80% on time) and July the worst month (63%).
The cancellation rate was 4.5% (US average 1.8%).
DCA to MKE on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 82.9% | 54 min | 2.1% | 681 |
| PSA Airlines | 70.5% | 78 min | 6.8% | 659 |
| Republic Airways | Limited data | 7 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DCA to MKE
On-time arrival % by scheduled departure hour (local time), 2,688 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 100.0% | 1.3% | 79 |
| 7am–8am | 94.0% | 2.4% | 341 |
| 8am–9am | Limited data | 12 | |
| 9am–10am | 93.5% | 0.6% | 170 |
| 10am–11am | 75.6% | 4.0% | 299 |
| 11am–12pm | 83.3% | 3.3% | 243 |
| 12pm–1pm | 77.1% | 1.5% | 133 |
| 1pm–2pm | 74.5% | 1.8% | 56 |
| 2pm–3pm | Limited data | 17 | |
| 3pm–4pm | 70.9% | 2.7% | 441 |
| 4pm–5pm | 71.8% | 0.5% | 224 |
| 5pm–6pm | Limited data | 24 | |
| 6pm–7pm | Limited data | 2 | |
| 7pm–8pm | 56.9% | 8.8% | 136 |
| 8pm–9pm | 65.7% | 4.0% | 149 |
| 9pm–10pm | Limited data | 6 | |
| 10pm–11pm | 66.0% | 15.2% | 356 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DCA to MKE
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 72.9% | -6.0 pts | 4.0% | 50 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.8% | -1.1 pts | 0.0% | 90 |
| Summer peak (Jun 15 - Aug 15) | 67.7% | -11.1 pts | 8.6% | 476 |
| All other days | 78.9% | — | 3.7% | 2,072 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).