Flight Reliability
UA 5402 · United Airlines
Milwaukee → Chicago (MKE–ORD)
58
A Little Dicey
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 27 min
- Average arrival delay
- 3.0%
- Cancelled
- 2 min
- Median arrival delay
Based on 363 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
UA 5402 arrived on time 82% of the time on Tuesdays and just 54% on Sundays. That gap is worth planning around.
Lagging the United Airlines network.
UA 5402 arrived on time 70% of the time, versus 79% across the United Airlines network.
Keep a backup plan handy.
UA 5402 was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon66%(50 flights)
- Tue82%(51 flights)
- Wed75%(51 flights)
- Thu76%(49 flights)
- Fri69%(49 flights)
- Sat70%(50 flights)
- Sun54%(52 flights)
81%
May
Jun 73% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 30 |
| July 2025 | 61% | 31 |
| August 2025 | 61% | 31 |
| September 2025 | 80% | 30 |
| October 2025 | 71% | 31 |
| November 2025 | 79% | 29 |
| December 2025 | 66% | 29 |
| January 2026 | 65% | 31 |
| February 2026 | 75% | 28 |
| March 2026 | 63% | 27 |
| April 2026 | 67% | 24 |
| May 2026 | 81% | 31 |
- Departures on time
- 77%
- Diverted
- 0%
- Flights flown
- 352
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 363 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.