Flight Reliability
UA 5436 · United Airlines
FWA → Chicago (FWA–ORD)
23
Bring Snacks
WanderNerd Reliability Score
- 55%
- Arrive within 15 minutes
- 46 min
- Average arrival delay
- 4.4%
- Cancelled
- 12 min
- Median arrival delay
Based on 363 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
UA 5436 arrived on time 65% of the time on Saturdays and just 42% on Fridays. That gap is worth planning around.
Lagging the FWA–ORD route.
UA 5436 arrived on time 55% of the time, versus 66% across the FWA–ORD route.
Well behind the United Airlines network.
UA 5436 arrived on time 55% of the time, versus 79% across the United Airlines network.
Keep a backup plan handy.
UA 5436 was cancelled 4.4% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon60%(47 flights)
- Tue64%(50 flights)
- Wed52%(50 flights)
- Thu55%(49 flights)
- Fri42%(50 flights)
- Sat65%(49 flights)
- Sun44%(48 flights)
40%
May
Jun 45% → May 40% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 45% | 29 |
| July 2025 | 36% | 28 |
| August 2025 | 71% | 28 |
| September 2025 | 63% | 30 |
| October 2025 | 55% | 31 |
| November 2025 | 83% | 24 |
| December 2025 | 60% | 30 |
| January 2026 | 57% | 30 |
| February 2026 | 57% | 28 |
| March 2026 | 67% | 27 |
| April 2026 | 25% | 28 |
| May 2026 | 40% | 30 |
- Departures on time
- 62%
- Diverted
- 1.1%
- Flights flown
- 343
- 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.