Flight Reliability
UA 5505 · United Airlines
Chicago → SBN (ORD–SBN)90% of its flights flew this route. The rest (PNS–ORD, ORD–CVG) are included in these numbers.
46
Bring Snacks
WanderNerd Reliability Score
- 64%
- Arrive within 15 minutes
- 25 min
- Average arrival delay
- 4.0%
- Cancelled
- 3 min
- Median arrival delay
Based on 351 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
UA 5505 departing between 9 AM–12 PM arrived on time 79% of the time, versus 62% between 3–6 PM.
Sunday scaries are real for this one.
UA 5505 arrived on time 69% of the time on Tuesdays. On Sundays: 56%.
Well behind the United Airlines network.
UA 5505 arrived on time 64% of the time, versus 79% across the United Airlines network.
Keep a backup plan handy.
UA 5505 was cancelled 4.0% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon57%(47 flights)
- Tue69%(49 flights)
- Wed66%(50 flights)
- Thu67%(49 flights)
- Fri67%(46 flights)
- Sat64%(44 flights)
- Sun56%(50 flights)
- 9 AM–12 PM79%(33 flights)
- 3–6 PM62%(302 flights)
86%
May
Jun 67% → May 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 30 |
| July 2025 | 48% | 31 |
| August 2025 | 66% | 29 |
| September 2025 | 77% | 30 |
| October 2025 | 86% | 28 |
| November 2025 | 75% | 24 |
| December 2025 | 59% | 29 |
| January 2026 | 62% | 29 |
| February 2026 | 64% | 25 |
| March 2026 | 38% | 29 |
| April 2026 | 39% | 23 |
| May 2026 | 86% | 28 |
- Departures on time
- 69%
- Diverted
- 0.6%
- Flights flown
- 335
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 351 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.