Best Time to Fly SJU to DFW: On-Time Stats by Hour & Airline
Luis Munoz Marin International → Dallas/Fort Worth International
Data through July 2026 · Last updated October 18, 2026
987 flights were scheduled from San Juan (SJU) to Dallas/Fort Worth (DFW) in the last 12 months, and 78.8% of those that flew arrived on time, 1.2 points above the US average of 77.6%.
Among 3 airlines, American Airlines led with 81.0% on time and Frontier Airlines was last with 65.0%.
Over 24 months, Thursday was the most reliable day (82% on time) and January the worst month (60%).
The cancellation rate was 2.8% (US average 1.8%).
SJU to DFW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| American Airlines | 81.0% | 84 min | 1.8% | 705 |
| Spirit Airlines | 75.6% | 76 min | 3.7% | 215 |
| Frontier Airlines | 65.0% | 75 min | 10.4% | 67 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SJU to DFW
On-time arrival % by scheduled departure hour (local time), 1,970 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 84.4% | 0.0% | 160 |
| 1am–2am | 93.3% | 1.6% | 122 |
| 5am–6am | 76.3% | 1.3% | 77 |
| 6am–7am | 83.2% | 1.4% | 414 |
| 7am–8am | 89.6% | 2.1% | 140 |
| 8am–9am | 68.8% | 0.0% | 33 |
| 10am–11am | Limited data | 5 | |
| 11am–12pm | Limited data | 1 | |
| 12pm–1pm | Limited data | 9 | |
| 1pm–2pm | 79.8% | 0.8% | 126 |
| 2pm–3pm | Limited data | 24 | |
| 3pm–4pm | 70.3% | 1.6% | 432 |
| 4pm–5pm | 66.1% | 1.6% | 128 |
| 5pm–6pm | 77.8% | 0.0% | 55 |
| 6pm–7pm | 73.2% | 2.0% | 99 |
| 7pm–8pm | 68.9% | 8.6% | 81 |
| 8pm–9pm | Limited data | 14 | |
| 9pm–10pm | Limited data | 7 | |
| 11pm–12am | 86.0% | 0.0% | 43 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SJU to DFW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 76.3% | -2.7 pts | 0.0% | 38 |
| Christmas & New Year (Dec 20 - Jan 3) | 73.6% | -5.4 pts | 3.4% | 148 |
| Summer peak (Jun 15 - Aug 15) | 80.7% | +1.7 pts | 1.9% | 360 |
| All other days | 79.0% | — | 1.3% | 1,424 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).