JetBlue Airways is the most reliable airline on the DCA to SJU route with a 77% on-time rate. Based on 1,307 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: DCA to SJU
Washington to San Juan — airline reliability comparison
On-Time Rate by Airline
JetBlue Airways77%
DCA to SJU Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| JetBlue AirwaysB6Best | 77% | 1.2% | 81m | 1,307 |
Route Overview
77%
Overall On-Time
81m
Avg Delay
1.1%
Cancel Rate
1,307
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.