Route
DTW → BWI
Detroit Metropolitan Wayne County Airport Baltimore/Washington International Thurgood Marshall Airport
How punctual is this route?
- On-time arrivals
- 80.7%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,230
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 44%
- Late-arriving aircraft 30%
- Air traffic control & airport 24%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.2% | 218 |
| October 2025 | 90.5% | 232 |
| November 2025 | 82.5% | 160 |
| December 2025 | 70.8% | 165 |
| January 2026 | 76.0% | 159 |
| February 2026 | 82.8% | 138 |
| March 2026 | 76.5% | 159 |
| April 2026 | 84.4% | 175 |
| May 2026 | 80.2% | 206 |
| June 2026 | 76.5% | 203 |
| July 2026 | 77.1% | 210 |
| August 2026 | 79.8% | 205 |
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 |
|---|---|---|---|---|
| Delta Air Lines | 1,224 | 82.0% | 1.6% | 73 min |
| Southwest Airlines | 768 | 79.8% | 1.2% | 53 min |
| Frontier Airlines | 178 | 73.1% | 1.7% | 69 min |
| NK | 60 | 90.0% | 0.0% | 183 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL2715
22% late · 363 flights
-
DL2480
20% late · 357 flights
-
DL1546
14% late · 307 flights
-
F91516
27% late · 169 flights
-
DL2341
9% late · 92 flights
-
DL3163
22% late · 77 flights
-
WN2358
6% late · 63 flights
-
WN4534
12% late · 60 flights
-
WN4845
3% late · 58 flights
-
NK2194
9% late · 57 flights
-
WN1301
11% late · 47 flights
-
WN4044
18% late · 46 flights
-
WN1526
71% late · 43 flights
-
WN3027
3% late · 33 flights
-
WN2260
26% late · 31 flights
-
WN2371
23% late · 31 flights
-
WN690
0% late · 31 flights
-
WN1722
11% late · 28 flights
-
WN2761
19% late · 28 flights
-
WN3791
23% late · 28 flights
-
WN609
48% late · 25 flights
-
DL1392
4% late · 24 flights
-
WN1346
54% late · 24 flights
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