BDL to SJU flight delays & on-time performance
Nonstop flights from Bradley International Airport to Luis Munoz Marin International Airport · 1,666 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BDL or SJU right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Hartford (BDL) to San Juan (SJU) arrived on time 61% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2% were cancelled, and 16% arrived an hour or more late.
- JetBlue was the most punctual airline here (61% on time); Frontier Airlines was the least (59%).
- Departures scheduled around 7am did best (82% on time); around 1pm did worst (47%).
- Friday was the most reliable day to fly (67% on time) and Monday the least (56%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from BDL to SJU?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| JetBlue | 61% | 1.9% | 37 min | 16.2% | 727 |
| Frontier Airlines | 59% | 2.1% | 45 min | 16.2% | 239 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am56%50 flights
- 7am82%40 flights
- 8am77%86 flights
- 9am64%125 flights
- 10am66%92 flights
- 11am56%71 flights
- 1pm47%48 flights
- 2pm63%27 flights
- 3pm57%22 flights
- 4pm71%28 flights
- 5pm49%93 flights
- 6pm64%34 flights
- 7pm55%142 flights
- 8pm55%84 flights
- 9pm64%14 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday56%2.9% cancelled
- Tuesday59%1.6% cancelled
- Wednesday60%0.0% cancelled
- Thursday61%0.0% cancelled
- Friday67%1.4% cancelled
- Saturday61%4.2% cancelled
- Sunday61%3.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft43%
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion20%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather58%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion16%
- Security0%
BDL to SJU: common questions
- How often are BDL to SJU flights on time?
- 61% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Hartford to San Juan cancelled?
- 2.0% of scheduled flights were cancelled (19 of 966).
- How long are typical delays?
- Across all flights the average arrival delay was 39 min (early arrivals count as zero). Flights that were late arrived 97 min behind schedule on average, and 16.2% of flights were an hour or more late.
- How long is taxi time at BDL?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SJU to BDL — 70% on time
More flights from Hartford
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BDL → SJU, nonstop flights by US airlines that report to the DOT. How we calculate this.