Route
RDU → SJU
Raleigh-Durham International Airport Luis Munoz Marin International Airport
1,432 miles
Return route SJU → RDU →
How punctual is this route?
- On-time arrivals
- 71.6%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 104 min
- Flights arriving 15+ minutes late
- Flights tracked
- 467
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 43%
- Late-arriving aircraft 39%
- Air traffic control & airport 13%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 66.7% | 18 |
| October 2025 | 82.4% | 18 |
| November 2025 | 65.0% | 41 |
| December 2025 | 66.7% | 51 |
| January 2026 | 80.0% | 45 |
| February 2026 | 75.0% | 37 |
| March 2026 | 63.3% | 49 |
| April 2026 | 82.5% | 40 |
| May 2026 | 87.2% | 39 |
| June 2026 | 76.7% | 43 |
| July 2026 | 55.8% | 44 |
| August 2026 | 66.7% | 42 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| JetBlue Airways | 333 | 76.2% | 2.4% | 95 min |
| Frontier Airlines | 117 | 60.9% | 1.7% | 129 min |
| Delta Air Lines | 17 | 56.2% | 5.9% | 48 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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