Flight Reliability
UA 2088 · United Airlines
San Juan → Chicago (SJU–ORD)
76
Usually Fine
WanderNerd Reliability Score
- 74%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.3%
- Cancelled
- 0 min
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
UA 2088 arrived on time 84% of the time on Fridays and just 67% on Mondays. That gap is worth planning around.
A bit behind the SJU–ORD route.
UA 2088 arrived on time 74% of the time, versus 81% across the SJU–ORD route.
A bit behind the United Airlines network.
UA 2088 arrived on time 74% of the time, versus 79% across the United Airlines network.
It basically never cancels.
Out of 365 scheduled flights, only 0.3% were cancelled.
The breakdown
- Mon67%(52 flights)
- Tue75%(52 flights)
- Wed78%(51 flights)
- Thu70%(50 flights)
- Fri84%(51 flights)
- Sat73%(51 flights)
- Sun70%(53 flights)
71%
May
Jun 87% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 87% | 30 |
| July 2025 | 84% | 31 |
| August 2025 | 74% | 31 |
| September 2025 | 63% | 30 |
| October 2025 | 52% | 31 |
| November 2025 | 67% | 30 |
| December 2025 | 80% | 30 |
| January 2026 | 67% | 30 |
| February 2026 | 82% | 28 |
| March 2026 | 73% | 30 |
| April 2026 | 89% | 28 |
| May 2026 | 71% | 31 |
- Departures on time
- 86%
- Diverted
- 1.1%
- Flights flown
- 360
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 365 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.