Flight Reliability
AA 4834 · American Airlines
Chicago → LWB (ORD–LWB)
33
Bring Snacks
WanderNerd Reliability Score
- 63%
- Arrive within 15 minutes
- 56 min
- Average arrival delay
- 3.8%
- Cancelled
- 0 min
- Median arrival delay
Based on 79 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
AA 4834 arrived on time 63% of the time on Fridays and just 31% on Mondays. That gap is worth planning around.
Lagging the American Airlines network.
AA 4834 arrived on time 63% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon31%(13 flights)
- Tue—(8 flights)
- Wed—(8 flights)
- Thu—(8 flights)
- Fri63%(16 flights)
- Sat—(8 flights)
- Sun60%(15 flights)
- 12–3 PM63%(65 flights)
- 3–6 PM64%(11 flights)
71%
May
Mar 46% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| March 2026 | 46% | 13 |
| April 2026 | 67% | 27 |
| May 2026 | 71% | 31 |
- Departures on time
- 63%
- Diverted
- 0%
- Flights flown
- 76
- Months covered
- 4
Keep nerding
Based on 79 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.