Route
SJU → BWI
Luis Munoz Marin International Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 78.9%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,153
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 34%
- Air traffic control & airport 17%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.9% | 70 |
| October 2025 | 93.3% | 61 |
| November 2025 | 83.8% | 75 |
| December 2025 | 83.9% | 113 |
| January 2026 | 80.8% | 109 |
| February 2026 | 67.1% | 91 |
| March 2026 | 64.1% | 109 |
| April 2026 | 68.2% | 111 |
| May 2026 | 79.8% | 90 |
| June 2026 | 88.1% | 109 |
| July 2026 | 83.1% | 120 |
| August 2026 | 77.7% | 95 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 816 | 80.8% | 1.0% | 54 min |
| Frontier Airlines | 184 | 76.4% | 4.9% | 57 min |
| NK | 153 | 71.1% | 7.2% | 119 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
F92265
23% late · 168 flights
-
NK3014
39% late · 87 flights
-
WN2547
24% late · 64 flights
-
WN3717
15% late · 60 flights
-
WN3137
33% late · 58 flights
-
WN4279
12% late · 58 flights
-
WN3718
10% late · 51 flights
-
WN3719
20% late · 51 flights
-
WN2632
29% late · 47 flights
-
WN3442
11% late · 47 flights
-
WN2580
11% late · 46 flights
-
WN1764
44% late · 33 flights
-
WN3597
12% late · 33 flights
-
WN1661
0% late · 31 flights
-
WN1693
10% late · 31 flights
-
WN1806
23% late · 31 flights
-
NK311
7% late · 28 flights
-
WN3642
25% late · 24 flights
-
WN4496
18% late · 22 flights
-
WN1623
20% late · 20 flights
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