Route Reliability
Chicago → FAT
ORD–FAT · 1,730 miles · Chicago O'Hare International Airport to FAT Airport
47
Bring Snacks
WanderNerd Reliability Score
- 53%
- Arrive within 15 minutes
- 30 min
- Average arrival delay
- 1.0%
- Cancelled
- 195
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 53% of the time across 195 flights. No comparison to make.
What the data says
Friday is doing you no favors.
ORD–FAT flights arrived on time 71% of the time on Saturdays and just 43% on Fridays. That gap is worth planning around.
Slipping a little lately.
ORD–FAT flights arrived on time 47% of the time over the last three months in the data, compared with 51% in the three months before that.
Flights on this route
The breakdown
- Mon54%(28 flights)
- Tue56%(27 flights)
- Wed48%(25 flights)
- Thu57%(28 flights)
- Fri43%(28 flights)
- Sat71%(28 flights)
- Sun45%(29 flights)
- 12–3 PM—(3 flights)
- 3–6 PM—(5 flights)
- 6–9 PM52%(185 flights)
48%
May
Jun 60% → May 48% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 60% | 30 |
| July 2025 | 40% | 30 |
| August 2025 | 48% | 29 |
| September 2025 | 63% | 30 |
| October 2025 | 64% | 25 |
| December 2025 | 27% | 11 |
| May 2026 | 48% | 31 |
Keep nerding
Based on 195 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.