Flight Reliability
AA 4831 · American Airlines
SHD → Chicago (SHD–ORD)97% of its flights flew this route. The rest (DFW–GTR, GTR–DFW) are included in these numbers.
60
A Little Dicey
WanderNerd Reliability Score
- 72%
- Arrive within 15 minutes
- 36 min
- Average arrival delay
- 0.8%
- Cancelled
- 5 min early
- Median arrival delay
Based on 122 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
AA 4831 arrived on time 88% of the time on Wednesdays and just 56% on Mondays. That gap is worth planning around.
A bit behind the American Airlines network.
AA 4831 arrived on time 72% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon56%(16 flights)
- Tue71%(17 flights)
- Wed88%(16 flights)
- Thu77%(17 flights)
- Fri79%(19 flights)
- Sat65%(17 flights)
- Sun67%(18 flights)
- 12–3 PM71%(116 flights)
- 3–6 PM—(2 flights)
- 6–9 PM—(2 flights)
77%
May
Feb 65% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| February 2026 | 65% | 26 |
| March 2026 | 52% | 29 |
| April 2026 | 87% | 30 |
| May 2026 | 77% | 31 |
- Departures on time
- 74%
- Diverted
- 0.8%
- Flights flown
- 120
- Months covered
- 5
Keep nerding
Based on 122 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.