Flight Reliability
AA 1179 · American Airlines
Chicago → Santa Ana (ORD–SNA)
67
Usually Fine
WanderNerd Reliability Score
- 74%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 3.2%
- Cancelled
- 3 min early
- Median arrival delay
Based on 349 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AA 1179 arrived on time 80% of the time on Fridays. On Sundays: 69%.
Keep a backup plan handy.
AA 1179 was cancelled 3.2% of the time. Typical for U.S. flights is around 1–2%.
Recent months have been rougher.
AA 1179 arrived on time 64% of the time over the last three months in the data, compared with 74% in the three months before that.
The breakdown
- Mon73%(48 flights)
- Tue75%(48 flights)
- Wed78%(49 flights)
- Thu70%(47 flights)
- Fri80%(49 flights)
- Sat75%(47 flights)
- Sun69%(48 flights)
- 12–3 PM75%(61 flights)
- 3–6 PM—(7 flights)
- 6–9 PM74%(268 flights)
70%
May
Jun 79% → May 70% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 79% | 29 |
| July 2025 | 73% | 30 |
| August 2025 | 79% | 29 |
| September 2025 | 73% | 30 |
| October 2025 | 81% | 31 |
| November 2025 | 89% | 26 |
| December 2025 | 71% | 28 |
| January 2026 | 74% | 27 |
| February 2026 | 78% | 27 |
| March 2026 | 63% | 30 |
| April 2026 | 59% | 29 |
| May 2026 | 70% | 20 |
- Departures on time
- 68%
- Diverted
- 0.6%
- Flights flown
- 336
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 349 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.