Route
BWI → DTW
Baltimore/Washington International Thurgood Marshall Airport Detroit Metropolitan Wayne County Airport
How punctual is this route?
- On-time arrivals
- 80.8%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,233
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 36%
- Air traffic control & airport 17%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.5% | 218 |
| October 2025 | 90.9% | 231 |
| November 2025 | 84.8% | 160 |
| December 2025 | 70.6% | 165 |
| January 2026 | 83.7% | 159 |
| February 2026 | 84.4% | 138 |
| March 2026 | 74.5% | 159 |
| April 2026 | 83.2% | 175 |
| May 2026 | 80.7% | 206 |
| June 2026 | 79.4% | 203 |
| July 2026 | 75.7% | 210 |
| August 2026 | 72.2% | 209 |
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 | 85.7% | 1.8% | 105 min |
| Southwest Airlines | 772 | 73.7% | 2.6% | 63 min |
| Frontier Airlines | 178 | 74.9% | 1.7% | 68 min |
| NK | 59 | 91.4% | 1.7% | 65 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL2601
7% late · 365 flights
-
DL2480
21% late · 359 flights
-
DL1546
12% late · 306 flights
-
F93081
24% late · 166 flights
-
DL2341
16% late · 92 flights
-
DL3163
26% late · 77 flights
-
WN489
39% late · 64 flights
-
WN4511
20% late · 58 flights
-
WN685
36% late · 58 flights
-
NK2197
9% late · 56 flights
-
WN942
33% late · 51 flights
-
WN4416
5% late · 44 flights
-
WN429
17% late · 41 flights
-
WN878
23% late · 39 flights
-
WN4159
42% late · 35 flights
-
WN3766
50% late · 33 flights
-
WN1713
23% late · 31 flights
-
WN3546
0% late · 31 flights
-
WN736
26% late · 31 flights
-
WN4147
7% late · 30 flights
-
WN4999
54% late · 28 flights
-
WN369
19% late · 26 flights
-
DL1392
4% late · 24 flights
-
WN257
48% late · 23 flights
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