CLT to SJU flight delays & on-time performance
Nonstop flights from Charlotte Douglas International Airport to Luis Munoz Marin International Airport · 1,475 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CLT or SJU right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Charlotte (CLT) to San Juan (SJU) arrived on time 77% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.5% were cancelled, and 6% arrived an hour or more late.
- American Airlines was the most punctual airline here (79% on time); Frontier Airlines was the least (52%).
- Departures scheduled around 7am did best (90% on time); around 8pm did worst (43%).
- Wednesday was the most reliable day to fly (87% on time) and Sunday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (36%).
Which airline is most on time from CLT 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 |
|---|---|---|---|---|---|
| American Airlines | 79% | 1.3% | 13 min | 5.7% | 988 |
| Frontier Airlines | 52% | 3.2% | 40 min | 13.3% | 93 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am90%99 flights
- 8am77%93 flights
- 9am88%69 flights
- 10am72%64 flights
- 11am82%258 flights
- 12pm81%97 flights
- 1pm72%26 flights
- 4pm76%100 flights
- 5pm78%113 flights
- 6pm60%15 flights
- 7pm61%83 flights
- 8pm43%48 flights
- 9pm53%16 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%1.8% cancelled
- Tuesday85%0.7% cancelled
- Wednesday87%0.0% cancelled
- Thursday77%0.7% cancelled
- Friday79%0.0% cancelled
- Saturday70%3.7% cancelled
- Sunday65%3.1% 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 aircraft36%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion26%
- Extreme weather12%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather63%
- Air traffic control & airport congestion25%
- Airline (crew, maintenance, cleaning, fueling)13%
- Security0%
CLT to SJU: common questions
- How often are CLT to SJU flights on time?
- 77% 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 Charlotte to San Juan cancelled?
- 1.5% of scheduled flights were cancelled (16 of 1,081).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 60 min behind schedule on average, and 6.4% of flights were an hour or more late.
- How long is taxi time at CLT?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SJU to CLT — 85% on time
More flights from Charlotte
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CLT → SJU, nonstop flights by US airlines that report to the DOT. How we calculate this.