Republic Airways is the most reliable airline on the JAX to IAD route with a 87% on-time rate, compared to Allegiant Air at 56%. Based on 273 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: JAX to IAD
Jacksonville to Washington — airline reliability comparison
On-Time Rate by Airline
Republic Airways87%
United Airlines85%
Allegiant Air56%
JAX to IAD Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Republic AirwaysYXBest | 87% | 1.5% | 70m | 273 |
| United AirlinesUA | 85% | 1.3% | 91m | 2,159 |
| Allegiant AirG4Worst | 56% | 10.0% | 129m | 10 |
Route Overview
84%
Overall On-Time
88m
Avg Delay
1.2%
Cancel Rate
2,728
Total Flights
Flying out of JAX? 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.