Route on-time record
CLE to BWI: most on-time flights and the best time to fly
Cleveland (Cleveland Hopkins International Airport) to Baltimore (Baltimore/Washington International Thurgood Marshall Airport). 969 nonstop flights in Jun 2025 to May 2026, 86% arrived within 15 minutes and 1.4% were cancelled. The most reliable flight number was Southwest 1371 at 5:40 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
CLE → BWI
Cleveland to Baltimore: 969 nonstop flights a year
On time (12 months)
86%
Cancelled
1.4%
avg delay 9 min
Best time to leave
Before 9 AM
97% on time vs 72% 3 to 6 PM
Most reliable airline
Southwest
85% chance on time
Lowest nonstop fare seen in the next two months: $125 (Southwest 2464 on 2026-11-01). 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 1371
5:40 AM → 7:00 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 1 min
- Arrived on time 96% of the time (54 flights, Jun 2025 to May 2026).
- Never cancelled in 54 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 97% on time; 3 to 6 PM: 72%).
- Short track record (54 flights), so its score leans on the airline's record at this hour.
Limited track record · 54 flights
Find Southwest 1371 fares Opens this date on Aviasales#2 · Southwest 1860
5:30 AM → 6:55 AM1h 25m nonstop
Local times, typical schedule. Last flown 2026-04-06.
93%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.0%
- Avg arrival delay
- 10 min
- Arrived on time 94% of the time (33 flights, Jun 2025 to May 2026).
- Never cancelled in 33 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 97% on time; 3 to 6 PM: 72%).
- Short track record (33 flights), so its score leans on the airline's record at this hour.
Limited track record · 33 flights
Find Southwest 1860 fares Opens this date on Aviasales#3 · Southwest 3199
10:30 AM → 11:50 AM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
- On time (history)
- 100%
- Cancelled
- 0.0%
- Avg arrival delay
- 0 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3199 fares Opens this date on Aviasales#4 · Southwest 1372
12:40 PM → 2:00 PM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-29. Same departure also flew as Southwest 4087; its record covers all of them.
90%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 94% of the time (52 flights, Jun 2025 to May 2026).
- Never cancelled in 52 scheduled flights.
- Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (52 flights), so its score leans on the airline's record at this hour.
Limited track record · 52 flights
Find Southwest 1372 fares Opens this date on Aviasales#5 · Southwest 4008
10:50 AM → 12:05 PM1h 15m nonstop
Local times, typical schedule. Last flown 2026-04-06.
88%
chance on time
- On time (history)
- 86%
- Cancelled
- 6.7%
- Avg arrival delay
- 10 min
- Arrived on time 86% of the time (14 flights, Jun 2025 to May 2026).
- Short track record (14 flights), so its score leans on the airline's record at this hour.
Limited track record · 14 flights
Find Southwest 4008 fares Opens this date on Aviasales#6 · Southwest 3375
5:00 PM → 6:25 PM1h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
75%
chance on time
- On time (history)
- 80%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 80% 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 (3 to 6 PM: 72% on time; Before 9 AM: 97%).
- Lands 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 3375 fares Opens this date on Aviasales#7 · Southwest 1497
4:35 PM → 5:55 PM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-01.
72%
chance on time
- On time (history)
- 63%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 63% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 72% on time; Before 9 AM: 97%).
- Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
- 88% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 8 flights
Find Southwest 1497 fares Opens this date on Aviasales#8 · Southwest 1514
5:55 PM → 7:15 PM1h 20m nonstop
Local times, typical schedule. Last flown 2026-04-06.
69%
chance on time
- On time (history)
- 56%
- Cancelled
- 5.0%
- Avg arrival delay
- 47 min
- Arrived on time 56% of the time (18 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 72% on time; Before 9 AM: 97%).
- Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (18 flights), so its score leans on the airline's record at this hour.
Limited track record · 18 flights
Find Southwest 1514 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines85%
969 flights · 86% on time as flown · 1.4% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM97%
373 flights · avg delay 2 min
- 9 AM to noon93%
153 flights · avg delay 3 min
- Noon to 3 PM83%
84 flights · avg delay 9 min
- 3 to 6 PM72%
339 flights · avg delay 18 min
Best day: Tuesday (89%). Worst: Sunday (84%).
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 aircraft48%
- Airline (crew, maintenance, boarding)25%
- Air traffic control and airport volume23%
- Severe weather5%
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
CLE to BWI questions
- What time of day is best to fly CLE to BWI?
- Before 9 AM: 97% of flights arrived on time, against 72% for departures 3 to 6 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 CLE to BWI?
- Southwest, with a season-adjusted 85% chance of operating and arriving on time over 969 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 CLE to BWI?
- July (79% on time); the best was April (93%), 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 CLE
- BWI to CLE (return)
- CLE to ORD 74%
- CLE to ATL 85%
- CLE to EWR 80%
- CLE to MCO 78%
- CLE to LGA 76%
- CLE to DEN 81%
- CLE to CLT 81%
- CLE to BOS 78%
- CLE to DFW 75%
- CLE to DCA 65%
- CLE to FLL 80%
- CLE to MDW 82%
Live status: FAA delays and ground stops