American Airlines is the most reliable airline on the RDU to PHX route with a 85% on-time rate, compared to Southwest Airlines at 77%. Based on 1,456 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: RDU to PHX
Raleigh to Phoenix — airline reliability comparison
On-Time Rate by Airline
American Airlines85%
Southwest Airlines77%
RDU to PHX Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 85% | 0.7% | 75m | 1,456 |
| Southwest AirlinesWNWorst | 77% | 1.0% | 38m | 600 |
Route Overview
82%
Overall On-Time
64m
Avg Delay
0.6%
Cancel Rate
2,166
Total Flights
Flying out of RDU? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.