Flight AA428
American Airlines flight AA428
Looking for AA428 in the air…
Philadelphia (PHL) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 42 minutes. It was cancelled 0.6% of the time.
- On-time arrivals
- 89.0%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 42 min
- Flights arriving 15+ minutes late
- Flights tracked
- 165
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 47%
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
New York (LGA) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 170 minutes. It was cancelled 5.6% of the time.
- On-time arrivals
- 85.1%
- Less than 15 minutes late
- Cancelled
- 5.6%
- Of scheduled flights
- Average delay when late
- 170 min
- Flights arriving 15+ minutes late
- Flights tracked
- 71
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 32%
- Extreme weather 12%
- Air traffic control & airport 12%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 39 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 93.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 39 min
- Flights arriving 15+ minutes late
- Flights tracked
- 43
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 61%
- Airline (crew, maintenance, cleaning) 29%
- Late-arriving aircraft 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 96.6% | 30 |
| October 2025 | 87.1% | 31 |
| November 2025 | 100.0% | 1 |
| December 2025 | 92.3% | 14 |
| January 2026 | 60.0% | 5 |
| February 2026 | 76.9% | 15 |
| March 2026 | 90.0% | 31 |
| April 2026 | 90.0% | 30 |
| May 2026 | 93.3% | 30 |
| June 2026 | 70.0% | 30 |
| July 2026 | 96.8% | 31 |
| August 2026 | 93.5% | 31 |
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