Best Time to Fly MSP to SJU: On-Time Stats by Hour & Airline
Minneapolis-St Paul International → Luis Munoz Marin International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.6% of Minneapolis (MSP) to San Juan (SJU) flights arrived on time (153 scheduled flights). That is 2.0 points above the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
April has been the best month (91% on time) and Sunday the weakest day of the week (74%).
3.3% of flights were cancelled, versus 1.8% nationally.
MSP to SJU 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 |
|---|---|---|---|---|
| Delta Air Lines | 79.6% | 45 min | 3.3% | 153 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly MSP to SJU
On-time arrival % by scheduled departure hour (local time), 331 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 90.9% | 2.9% | 34 |
| 8am–9am | 82.6% | 1.6% | 253 |
| 9am–10am | 69.8% | 2.3% | 44 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on MSP to SJU
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) | Limited data | 2 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 80.0% | -2.7 pts | 6.2% | 32 |
| Summer peak (Jun 15 - Aug 15) | Limited data | 13 | ||
| All other days | 82.7% | — | 1.4% | 284 |
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).