DFW to SJU flight delays & on-time performance
Nonstop flights from Dallas Fort Worth International Airport to Luis Munoz Marin International Airport · 2,165 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DFW or SJU right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Dallas/Fort Worth (DFW) to San Juan (SJU) arrived on time 69% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 2.9% were cancelled, and 12% arrived an hour or more late.
- Spirit Airlines was the most punctual airline here (76% on time); Frontier Airlines was the least (57%).
- Departures scheduled around 10am did best (86% on time); around 5pm did worst (56%).
- Thursday was the most reliable day to fly (78% on time) and Tuesday the least (64%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
Which airline is most on time from DFW 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 |
|---|---|---|---|---|---|
| Spirit Airlines | 76% | 5.2% | 28 min | 12.4% | 213 |
| American Airlines | 68% | 1.6% | 22 min | 10.8% | 704 |
| Frontier Airlines | 57% | 10.4% | 24 min | 18.3% | 67 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am76%62 flights
- 6am92%29 flights
- 8am82%277 flights
- 10am86%51 flights
- 11am67%12 flights
- 1pm80%10 flights
- 3pm57%63 flights
- 4pm63%71 flights
- 5pm56%161 flights
- 6pm70%10 flights
- 10pm60%127 flights
- 11pm57%108 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday66%2.0% cancelled
- Tuesday64%2.6% cancelled
- Wednesday73%1.7% cancelled
- Thursday78%0.7% cancelled
- Friday68%2.6% cancelled
- Saturday66%6.3% cancelled
- Sunday68%4.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)43%
- Late-arriving aircraft38%
- Air traffic control & airport congestion14%
- Extreme weather6%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather62%
- Airline (crew, maintenance, cleaning, fueling)21%
- Air traffic control & airport congestion17%
- Security0%
DFW to SJU: common questions
- How often are DFW to SJU flights on time?
- 69% 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 Dallas/Fort Worth to San Juan cancelled?
- 2.9% of scheduled flights were cancelled (29 of 984).
- How long are typical delays?
- Across all flights the average arrival delay was 23 min (early arrivals count as zero). Flights that were late arrived 71 min behind schedule on average, and 11.6% of flights were an hour or more late.
- How long is taxi time at DFW?
- Flights on this route spent 19 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SJU to DFW — 79% on time
More flights from Dallas/Fort Worth
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DFW → SJU, nonstop flights by US airlines that report to the DOT. How we calculate this.