AA538
AA538 (American Airlines) is a multi-stop service on 3 routes, busiest Pittsburgh to Chicago. Of 227 departures recorded from October 2024 to March 2026, 91.5% left on time, according to the US BTS.
- On-time departures91.5%of 227 flights
- Average delay14.2 min
- March 202621
- Cancelled1.3%
- Legs flown under this number3
Recorded departures by month
Short series — AA538 has only 11 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods8 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 5 | – | – |
| February | – | – | – |
| March | – | 21 | – |
| April | – | – | – |
| May | 22 | – | – |
| June | 30 | – | – |
| July | 31 | – | – |
| August | 31 | – | – |
| September | 2 | – | – |
| October | 14 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → March 2026
On-time departures by month
Short series — AA538 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods8 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | – | – |
| February | – | – | – |
| March | – | 85.7% | – |
| April | – | – | – |
| May | 90.5% | – | – |
| June | 96.7% | – | – |
| July | 96.8% | – | – |
| August | 86.2% | – | – |
| September | 100.0% | – | – |
| October | 78.6% | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → March 2026
Average departure delay by month
Short series — AA538 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → March 2026
Cancelled departures by month
Short series — AA538 has only 11 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods8 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | – | – | – |
| March | – | 0 | – |
| April | – | – | – |
| May | 1 | – | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 2 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → March 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.7% 224
- Cancelled 1.3% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Mar 28, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PIT ORD Pittsburgh International Airport – Chicago O'Hare International Airport | 662 | 15.2 min | 92.7% | 182 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 24 | 24 | 100.0% | 0 |
| December 2024 | 27 | 27 | 92.6% | 0 |
| January 2025 | 5 | 5 | 100.0% | 0 |
| May 2025 | 22 | 21 | 90.5% | 1 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 31 | 31 | 96.8% | 0 |
| August 2025 | 31 | 29 | 86.2% | 2 |
| September 2025 | 2 | 2 | 100.0% | 0 |
| October 2025 | 14 | 14 | 78.6% | 0 |
| March 2026 | 21 | 21 | 85.7% | 0 |