Flight AA603
American Airlines flight AA603
Looking for AA603 in the air…
Chicago (ORD) to Washington (DCA)
Historically, this flight arrives 15+ minutes late 44% of the time, and when it is late the delay averages 69 minutes. It was cancelled 6.6% of the time.
- On-time arrivals
- 56.3%
- Less than 15 minutes late
- Cancelled
- 6.6%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 76
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Air traffic control & airport 26%
- Airline (crew, maintenance, cleaning) 22%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to Miami (MIA)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 69 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 74.6%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 64
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Air traffic control & airport 23%
- Airline (crew, maintenance, cleaning) 12%
- Extreme weather 12%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 56 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 82.3%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 63
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 46%
- Extreme weather 40%
- Airline (crew, maintenance, cleaning) 14%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Omaha (OMA)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 49 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 77.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 22
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 77%
- Airline (crew, maintenance, cleaning) 19%
- Air traffic control & airport 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Nashville (BNA) to Philadelphia (PHL)
Only 2 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 2 |
| October 2025 | 81.0% | 21 |
| November 2025 | 48.3% | 30 |
| December 2025 | 52.9% | 17 |
| March 2026 | 61.9% | 24 |
| April 2026 | 80.0% | 6 |
| May 2026 | 55.0% | 20 |
| June 2026 | 67.3% | 49 |
| July 2026 | 98.0% | 52 |
| August 2026 | 83.3% | 6 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data