Route
SAV → BWI
Savannah Hilton Head International Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 81.7%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 987
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 51%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 16%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.1% | 90 |
| October 2025 | 72.8% | 92 |
| November 2025 | 84.4% | 78 |
| December 2025 | 84.2% | 77 |
| January 2026 | 86.7% | 64 |
| February 2026 | 88.7% | 56 |
| March 2026 | 80.2% | 89 |
| April 2026 | 89.1% | 93 |
| May 2026 | 90.7% | 97 |
| June 2026 | 80.5% | 83 |
| July 2026 | 72.2% | 83 |
| August 2026 | 72.3% | 85 |
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 | 987 | 81.7% | 1.5% | 59 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN286
5% late · 64 flights
-
WN4180
3% late · 58 flights
-
WN4609
11% late · 58 flights
-
WN3312
16% late · 57 flights
-
WN1290
49% late · 43 flights
-
WN1110
2% late · 42 flights
-
WN3027
12% late · 42 flights
-
WN2087
6% late · 34 flights
-
WN3276
39% late · 33 flights
-
WN4409
3% late · 33 flights
-
WN1310
13% late · 31 flights
-
WN1049
21% late · 28 flights
-
WN358
11% late · 28 flights
-
WN3594
15% late · 27 flights
-
WN499
35% late · 26 flights
-
WN654
55% late · 25 flights
-
WN863
4% late · 24 flights
-
WN1963
13% late · 23 flights
-
WN3061
30% late · 23 flights
-
WN4423
4% late · 23 flights
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