Frontier Airlines is the most reliable airline on the MKE to RDU route with a 85% on-time rate. Based on 26 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MKE to RDU
Milwaukee to Raleigh — airline reliability comparison
On-Time Rate by Airline
Frontier Airlines85%
MKE to RDU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Frontier AirlinesF9Best | 85% | 0.0% | 45m | 26 |
Route Overview
85%
Overall On-Time
45m
Avg Delay
0%
Cancel Rate
26
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.