Route on-time record
BWI to SAV: most on-time flights and the best time to fly
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) to Savannah (Savannah Hilton Head International Airport). 995 nonstop flights in Jun 2025 to May 2026, 81% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was Southwest 30 at 8:25 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
BWI → SAV
Baltimore to Savannah: 995 nonstop flights a year
On time (12 months)
81%
Cancelled
0.8%
avg delay 14 min
Best time to leave
Before 9 AM
94% on time vs 70% 6 to 9 PM
Most reliable airline
Southwest
80% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Southwest 30
8:25 AM → 10:20 AM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-29. Same departure also flew as Southwest 1496; its record covers all of them.
93%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 96% of the time (56 flights, Jun 2025 to May 2026).
- Never cancelled in 56 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 6 to 9 PM: 70%).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
Limited track record · 56 flights
Find Southwest 30 fares Opens this date on Aviasales#2 · Southwest 1683
8:55 AM → 10:55 AM2h 00m nonstop
Local times, typical schedule. Last flown 2026-05-30.
92%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 96% of the time (24 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 6 to 9 PM: 70%).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find Southwest 1683 fares Opens this date on Aviasales#3 · Southwest 3064
11:50 AM → 1:40 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-27. Same departure also flew as Southwest 2219; its record covers all of them.
81%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 83% of the time (24 flights, Jun 2025 to May 2026).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find Southwest 3064 fares Opens this date on Aviasales#4 · Southwest 1311
3:55 PM → 5:45 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 84% of the time (38 flights, Jun 2025 to May 2026).
- Never cancelled in 38 scheduled flights.
- Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (38 flights), so its score leans on the airline's record at this hour.
Limited track record · 38 flights
Find Southwest 1311 fares Opens this date on Aviasales#5 · Southwest 3347
5:05 PM → 6:55 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 75% of the time (8 flights, Jun 2025 to May 2026).
- Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3347 fares Opens this date on Aviasales#6 · Southwest 1312
7:25 PM → 9:20 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
78%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 84% of the time (55 flights, Jun 2025 to May 2026).
- Never cancelled in 55 scheduled flights.
- Leaves in this route's least on-time window (6 to 9 PM: 70% on time; Before 9 AM: 94%).
- Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
Limited track record · 55 flights
Find Southwest 1312 fares Opens this date on Aviasales#7 · Southwest 2289
7:10 PM → 9:05 PM1h 55m nonstop
Local times, typical schedule. Last flown 2026-04-05.
73%
chance on time
- On time (history)
- 69%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 69% of the time (13 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 70% on time; Before 9 AM: 94%).
- Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (13 flights), so its score leans on the airline's record at this hour.
Limited track record · 13 flights
Find Southwest 2289 fares Opens this date on Aviasales#8 · Southwest 1753
3:05 PM → 4:55 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-04-06.
73%
chance on time
- On time (history)
- 60%
- Cancelled
- 0.0%
- Avg arrival delay
- 18 min
- Arrived on time 60% of the time (15 flights, Jun 2025 to May 2026).
- Departs inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
- 71% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (15 flights), so its score leans on the airline's record at this hour.
Limited track record · 15 flights
Find Southwest 1753 fares Opens this date on Aviasales#9 · Southwest 1437
8:00 PM → 9:50 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-04-06.
68%
chance on time
- On time (history)
- 71%
- Cancelled
- 4.0%
- Avg arrival delay
- 28 min
- Arrived on time 71% of the time (24 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 70% on time; Before 9 AM: 94%).
- Departs outside BWI's trouble window (2 PM to 8 PM, when 81% of its 43 ground stops and delay programs started).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find Southwest 1437 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines80%
995 flights · 81% on time as flown · 0.8% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM94%
365 flights · avg delay 3 min
- Noon to 3 PM77%
89 flights · avg delay 18 min
- 3 to 6 PM76%
168 flights · avg delay 15 min
- 6 to 9 PM70%
342 flights · avg delay 24 min
Best day: Tuesday (81%). Worst: Sunday (73%).
Smarter routing
Nearby airports that run more on time
DCA → HHH 83% chance on time
Ronald Reagan Washington National Airport to Hilton Head Airport · 343 flights a year · 60 mi from your airports · yours: 80%
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft45%
- Airline (crew, maintenance, boarding)27%
- Air traffic control and airport volume17%
- Severe weather10%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
BWI to SAV questions
- What time of day is best to fly BWI to SAV?
- Before 9 AM: 94% of flights arrived on time, against 70% for departures 6 to 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from BWI to SAV?
- Southwest, with a season-adjusted 80% chance of operating and arriving on time over 995 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on BWI to SAV?
- July (57% on time); the best was November (85%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from BWI
- SAV to BWI (return)
- BWI to ATL 79%
- BWI to MCO 75%
- BWI to BOS 74%
- BWI to FLL 75%
- BWI to CLT 80%
- BWI to DEN 76%
- BWI to TPA 79%
- BWI to ORD 75%
- BWI to MIA 74%
- BWI to DTW 81%
- BWI to PVD 78%
- BWI to BNA 80%
Live status: FAA delays and ground stops